Asst.Prof.Supaporn Porntrai
ผศ.ดร.สุภาพร พรไตร
Asst.Prof.Supaporn Porntrai
Department : ภาควิชาวิทยาศาสตร์ชีวภาพ
Room : SC387
Phone : 4564
Mobile : 091-130-4456
E-mail : supaporn.p@ubu.ac.th
ประวัติการศึกษา

2008: Ph.D. (Science and Technology Education), Mahidol University, Thailand

2002: Graduate Diploma (Teaching Profession), Khon Kaen University, Thailand

2001: B.Sc. (Biology) (2nd Class Honor), Khon Kaen University, Thailand

งานวิจัยที่สนใจ

Biology Education

1. Hands-on activity

2. STEM-based activity

3. Project-based learning

4. Science inquiry-based learning

รางวัลและเกียรติยศ
ทุนวิจัย
  • 1998-2002: The Promotion of Science and Mathematics Teachers Project from The Institute for the Promotion of Teaching Science and Technology, Bangkok, Thailand

    2003-2008: The Commission on Higher Education, Ministry of Education, Bangkok, Thailand

ประสบการณ์การทำงาน
  • 2008 - 2014: Lecturer (Ubon Ratchathani University, Thailand)

    2014 -       : Assistance Professor (Ubon Ratchathani University, Thailand)

ผลงานตีพิมพ์
  1. Research articles in the journal

    1. Porntrai, S. and Damrongphol, P. 2008. A simple in vitro culture of freshwater prawn embryos for laboratory investigation. Journal of Biological Education.  43(3): 138-141.

    2. Thaprakhon, N., Kantachot, C. and Porntrai, S. 2011. Using Learning Package with Inquiry cycle (5E) to Develop Achievement and Motivation in Learning Plant Structures and Function for Muttayomsuksa 6 Students. The Northern Region Journal of Science and Technology.  3: 281-289.

    3. Boonyapol, S., Kantachot, C. and Porntrai, S. 2011. The Developing Students Achievement in Learning Plant Structures and Function using Skill Instructional Package for Muttayomsuksa 5. The Northern Region Journal of Science and Technology.  3: 290-295.

    4. Phansupat, P. and Porntrai, S. 2011. Developing Students’ Achievement in Learning Science of Matthayom Suksa 1 Students Using Science Inquiry Learning Cycle. Journal of Humanity and Social Sciences Ubon Ratchathani University. 2(2): 78-87.

    5. Porntrai, S. 2014. Developing Academic Achievement in Life and Environment Topic Using Science Inquiry Learning Emphasizing Analytical Thinking. Journal of Research on Science, Technology, and Environment for Learning 5(1): 11-20.

    6. Sripho, W. and Porntrai, S. 2014. Dragon Genetics Simulation: Activity for Teaching Genetic Inheritance. Journal of Research on Science, Technology, and Environment for Learning 5(2): 119-127.

    7. Chummin, N. and Porntrai, S. 2014. Enhancing an Analytical Thinking Ability Using Science Inquiry Approach. Journal of Humanity and Social Sciences Ubon Ratchathani University. 5(2): 55-67.

    8. Phochaiyarach, S. and Porntrai, S. 2015. Enhancing Analytical Thinking Abilities Using Science Inquiry Approach. Journal of Research on Science, Technology, and Environment for Learning 6(1): 46-56.

    9. Porntrai, S. 2015. Learning Cell Cycle and Mitosis by Science Inquiry: An Active Way to Increase Academic Achievement and Knowledge Retention. Journal of Research on Science, Technology, and Environment for Learning 6(2): 175 – 187.

    10. Porntrai, S. 2016. Learning Kreb’s Cycle in Cellular Respiration through Science Inquiry: A Hands-On Activity for Improving Academic Achievement. Journal of Research on Science, Technology, and Environment for Learning 7(2): 271-283.

    11. Junhom, A. and Porntrai, S. 2017. The Development of Student’s Learning Achievement in The Topic of DNA Using Science Inquiry Instruction for Grade 12 Student. Academic Journal of Buriram Rajabhat University 9(1): 278 - 290.

    12. Udomsin, C. and Porntrai, S. 2017. Developing Academic Achievement in Learning Cell Cycle and Mitosis using A Hands-on Activity of Science Inquiry. Journal of Research on Science, Technology, and Environment for Learning 8(2): 326 – 340.

    13. Porntrai, S. and Awaehama, R. 2018. Developing Academic Achievement in Learning Sex-Linked Gene Inheritance using A Hands-on Activity of Science Inquiry. Journal of Science and Science Education 1(1): 38-48.

    14. Thuratham, P. and Porntrai, S. 2018. Developing High Vocational Certificate Students’ Achievement in Topic of Organisms’ Growth Using 5E Inquiry Cycle. Institute of Vocational Education Southern Region 1 Journal 3(2): 25 – 36.

    15. Porntrai, S. and Udomsin, C. 2018. Development of Learning Achievement in Topic of Meiotic Cell Division Using a Science Inquiry-Based Hands-on Activity. Journal of Research on Science, Technology, and Environment for Learning 9(2): 153 – 168.

    16. Kunlabut, A., Porntrai, S., and Sangswan, J. 2020. Ethanol Production from Loog–Pang–Sato Yeast Cultivation with Molasses. Journal of Research on Science, Technology, and Environment for Learning 11(1): 54-65.

    Academic article in the journal

    1. Porntrai, S. 2012. 9 Reasons for using Cooperative Learning in the Science Classroom. Journal of Science, Mathematics, and Technology Teacher. 18, 84-89.

    2. Porntrai, S. 2014. A Simple and Inexpensive Model for Use in Learning Cell Division and Cytogenetics. Res. Unit Sci. Technol. Environ. Learning. 5(1): 109-116.  

    Research articles in Proceeding

    1. Jittivadhana, K., Suwanjinda, D., To-im, J., Poomsripanon, J., Kaveevivithchai, C., Porntrai, S., Pornpisuthimas, S., Gerdprasert, S., Chanchaichaowiwat, A., Panijpan, B., & Ruenwongsa, P. 2004. The Development of a Multimedia in Biology: Mutation. The 30th Congress on Science and Technology of Thailand. 19th to 21st October. Impact Arena, Bangkok, Thailand.

    2. Poomsripanon, J., To-im, J., Suwanjinda, D., Porntrai, S., Pornpisuthimas, S., & Chanchaichaowiwat, A. 2004. The Student of Satisfactory Evaluation and Improvement of Instructional Model of Biology Laboratory in the Topic of Animal Tissue for First-Year Undergraduate Student, Mahidol University. The 30th Congress on Science and Technology of Thailand. 19th to 21st October. Impact Arena, Bangkok, Thailand.

    3. Suwanjinda, D., Porntrai, S., Jittivadhana, K., & Panbangred, W. 2005.  Science popularization by using the research of cures shrimp with bacteria as a model. The 15th Congress on Science and Technology in School, 26th to 29th January. Suratthani Rajabhat University, Thailand.

    4. Wuttiprom, S., Supasorn, S., Ponchaiya, S., and Porntrai, S. 2005. Interactive Demonstration in Science Quiz Show. The ICASE International Workshop. 4th to 7th April. Welcome Jomtien Beach Hotel, Cholburi, Thailand.

    5. Porntrai, S., Damrongphol, P. and Williams, P.H. 2007. Teaching Principles of Heredity with Mustard: Rapid Cycling Brassica rapa as a Model for Mendelian Genetics. The ICASE International Workshop. 6th to 9th November. Welcome Jomtien Beach Hotel, Cholburi, Thailand.

    6. Wuttiprom, S., Supasorn, S., Porntrai, S., Seebut, S., Wuttisera, K., and Athiwatpong, W. 2008. Intensive science camp for a self-performing science project. The 3rd National Science Education seminar on Development of Science Learning Process towards Local Wisdom Innovation. 21st to 22nd November. Lotus Pang Suan Kaew Hotel, Cheang Mai, Thailand.

    7. Porntrai, S. 2009. Using a T5 instructional design model in the large-enrollment biology classes: method to promote cooperative learning in an undergraduate study. International Conference on Higher Education Research and Development. 9th to 12th July. Dhurakij Pundit University, Bangkok, Thailand.

    8. Porntrai, S. 2009. Application of Concept-based Learning in a Large Undergraduate Biology Classroom. International Science Education Conference 2009.  24thto 26th November. National Institute of Education, Singapore.

    9. Wattarach, J., and Porntrai, S. 2010. Developing Secondary School Students' Science Process Skills through Science Camp. The 4th Ubon Ratchathani University Research Conference.  9th to 10th August. Ubon Ratchathani, Thailand.

    10. Khanenaen, P., and Porntrai, S. 2010. Developing Secondary School Students' Scientific Attitude through Science Camp. The 4th Ubon Ratchathani University Research Conference.  9th to 10th August. Ubon Ratchathani, Thailand.

    11. Phansupat, P., and Porntrai, S. 2010. Developing Students’ Achievement in Learning Science of Matthayom Suksa 1 Students Using Science Inquiry Learning Cycle. The 4th Ubon Ratchathani University Research Conference.  9th to 10th August. Ubon Ratchathani, Thailand.

    12. Sriloho, Y., and Porntrai, S. 2010. Developing Students’ Achievement in Learning Atmosphere of Matthayom Suksa 1 Students Using CIPPA Model and Concept Mapping. The 4th Ubon Ratchathani University Research Conference.  9th to 10th August. Ubon Ratchathani, Thailand.

    13. Yimyurawut, N., and Porntrai, S. 2010. Developing Grade – 6 Students’ Science Learning Achievement through Cartoon Instructional Package. The 4th Ubon Ratchathani University Research Conference.  9th to 10th August. Ubon Ratchathani, Thailand.

    14. Kotasa, U., and Porntrai, S. 2010. Studying Student’s Achievement in Learning Human’s Organ Systems for Pratomsuksa 6 Students Using Mind Mapping Technique. The 19th Rajabhat Rajanagarindra University Research Conference.  23rd to 24th December. Chachoengsao, Thailand.

    15. Mungmad, A., and Porntrai, S. 2011. Developing of Achievement in Learning Cellular Respiration for Muttayomsuksa 4 Students Using an Instructional Package with Cooperative Learning. The 12th Khon Kaen University Graduate Research Conference.  28th January. Khon Kaen, Thailand.

    16. Porntrai, S. 2011. Studying Achievement and Satisfaction in Learning Biochemistry for Undergraduate Students Using Discussion-Based Learning. The 5th Ubon Ratchathani University Research Conference.  4th to 5th August. Ubon Ratchathani, Thailand.

    17. Wattarach, J., and Porntrai, S. 2011. Developing Scientific Attitude of Lower Secondary School Students Using Science Camp Activities. The 5th Ubon Ratchathani University Research Conference.  4th to 5th August. Ubon Ratchathani, Thailand.

    18. Toomsangtong, K. Kantachot, C. and Porntrai, S. 2011. Developing Learning Achievement in Biology Regarding Structures and Functions of Angiosperm for Muttayomsuksa 5 Using Instructional Kits. The 5th Ubon Ratchathani University Research Conference.  4th to 5th August. Ubon Ratchathani, Thailand.

    19. Sala, K., and Porntrai, S. 2012. Developing Learning Achievement in the Basic Chemistry of Life and Attitudes toward Biology for Grade 10 Students Using the Instructional Package Integrated with the 5E Learning Cycle. The 4th Science Research National Conference.  12th to 13th March. Phitsanulok, Thailand.

    20. Sudraksa, P., Supaprom, T., and Porntrai, S. 2012. Development of Grade-9 Students Learning Achievement on Topic “Genetics and Biotechnology” by Using Science Instructional Package based on Inquiry Cycle. The 4th Science Research National Conference.  12th to 13th March. Phitsanulok, Thailand.

    21. Wattarach, J., Ekkantrong, P., and Porntrai, S. 2015. The Effects of Research-Based Learning on Grade 8 Students’ Desirable Characteristic Changing in Pohpanpunya Project. The 9th Ubon Ratchathani University Research Conference.  2nd to 3rd July. Ubon Ratchathani, Thailand. 234 – 242.

    22. Ekkantrong, P., Wattarach, J., and Porntrai, S. 2015. Attitude toward Thai subject and Desirable Characteristic of Grade 8 Students involved in Research-Based Learning. The 9th Ubon Ratchathani University Research Conference.  2nd to 3rd July. Ubon Ratchathani, Thailand. 321 – 329.

    23. Sripho, W., and Porntrai, S. 2015. Development of an Analytical Thinking Ability of Grade 12 Students using Science Inquiry Learning Package. The 9th Ubon Ratchathani University Research Conference. 2nd to 3rd July. Ubon Ratchathani, Thailand. 199 – 208.

    24. Pimpawat, A., and Porntrai, S. 2015. The development of Academic Achievement of Grade 10 Students in Topic Homeostasis using 5E inquiry. The 9th Ubon Ratchathani University Research Conference.  2nd to 3rd July. Ubon Ratchathani, Thailand. 459 – 468.

    25. Nampa, S., and Porntrai, S. 2015. Developing Learning Achievement and Critical Thinking of Genetics and DNA Technology by Using Socioscientific Issue-Based Approach. The 1st National Conference 2015 Innovative Education for Sustainable Development.  27th November. Bangkok, Thailand. 1142 – 1448.

    26. Wangkahat, W., and Porntrai, S. 2015. The Development of Learning Achievement in the Topic of Gene and Chromosome by Using 5E Inquiry Activity Package. The 5th STOU Graduate Research Conference.  27th November. Bangkok, Thailand. 1 – 15.

    27. Wattarach, J., and Porntrai, S. 2016. The Effects of Research-Based Learning on the Changing of Students’ Leadership in Pohpanpunya Project. The 10th Ubon Ratchathani University Research Conference.  7th to 8th July. Ubon Ratchathani, Thailand. 504 – 512.

    28. Srinor, A., and Porntrai, S. 2016. The Effects of Research-Based Learning on the Changing of Students’ Team Working in Pohpanpunya Project. The 10th Ubon Ratchathani University Research Conference.  7th to 8th July. Ubon Ratchathani, Thailand. 240 – 249.

    29. Boonsong, S., and Porntrai, S. 2016. The Development of 12th Grade Students’ Learning Achievement in the Topic of DNA Replication using Science Inquiry Instruction. The 10th Ubon Ratchathani University Research Conference.  7th to 8th July. Ubon Ratchathani, Thailand. 228 – 239.

    30. Udomsin, C., and Porntrai, S. 2016. The Development of Grade 10 students Learning Achievement in The Topic of Chromosome and Genetic Material Using Science Inquiry Instruction. The 10th Ubon Ratchathani University Research Conference.  7th to 8th July. Ubon Ratchathani, Thailand. 165 – 176.

    31. Chaiyayong, W., and Porntrai, S. 2016. Learning Electron Transport Chain in Cellular Respiration through Science Inquiry:  A Hands-on Activity for Improving Academic Achievement. The 10th Ubon Ratchathani University Research Conference.  7th to 8th July. Ubon Ratchathani, Thailand. 534 – 545.

    32. Sangtong, B., and Porntrai, S. 2016. The Development of Students’ learning achievement in the topic of DNA Replication Using Science Inquiry Instruction. The 10th Ubon Ratchathani University Research Conference.  7th to 8th July. Ubon Ratchathani, Thailand. 217 – 227.

    33. Ployyod, Y., and Porntrai, S. 2016. Chromosome Simulation: Activity for Teaching Mitotic Cell Division. The 10th Ubon Ratchathani University Research Conference.  7th to 8th July. Ubon Ratchathani, Thailand. 186 – 198.

    34. Wattarach, J., and Porntrai, S. 2017. Creating Learning Package for Local Curriculum by Doing Research-Based Project. The 11th Ubon Ratchathani University Research Conference.  13th to 14th July. Ubon Ratchathani, Thailand. 161-168.

    35. Channgam, S., Sopapit, U., and Porntrai, S. 2017. Improvement A Solar Dryer Efficiency using Reflective Mirror. The 11th Ubon Ratchathani University Research Conference.  13th to 14th July. Ubon Ratchathani, Thailand. 148-154.

    36. Awaehama, R., and Porntrai, S. 2017. The development of Mendel’s laws learning achievement for Grade 12 students: hands-on science inquiry-based activity. The 11th Ubon Ratchathani University Research Conference.  13th to 14th July. Ubon Ratchathani, Thailand. 289-297.

    37. Butson, S., and Porntrai, S. 2017. Effect of supplementation by glass shrimp in different quantities on growth and survival of crayfish (Procambarus clarkii). The 11th Ubon Ratchathani University Research Conference.  13th to 14th July. Ubon Ratchathani, Thailand. 150-156.

    38. Chabua, P., and Porntrai, S. 2017. The effect of three carotenoid sources on growth and pigmentation of crayfish Procambarus clarkii. The 11th Ubon Ratchathani University Research Conference.  13th to 14th July. Ubon Ratchathani, Thailand. 157-164.

    39. Somsanor, T., and Porntrai, S. 2017. Comparison of Azolla spp. growth feed by chemical fertilizer and Bat guano-bio fertilizer. The 11th Ubon Ratchathani University Research Conference.  13th to 14th July. Ubon Ratchathani, Thailand. 133-141.

    40. Wattarach, J., and Porntrai, S. 2018. Creating Learning Package for Local Curriculum by Doing Research-Based Project. The 12th Ubon Ratchathani University Research Conference.  12th to 13th July. Ubon Ratchathani, Thailand. 300-308.

    41. Channgam, S., Thongthawee, A., Boonjoong, P., and Porntrai, S. 2018. A Survey Study on Packaging Designs of Catfish Pops and Those of Spicy Catfish Chili Paste That Influence Buyer Motivation. The 12th Ubon Ratchathani University Research Conference.  12th to 13th July. Ubon Ratchathani, Thailand. 332-336.

    42. Srisun, S., and Porntrai, S. 2018. The Development of DNA Replication learning achievement for Grade 12 students: hands-on science inquiry-based activity. The 12th Ubon Ratchathani University Research Conference. 12th to 13th July. Ubon Ratchathani, Thailand. 373-380.

    43. Dumtae, Y., and Porntrai, S. 2018. The Development of Pituitary Gland Learning Achievement for Grade 11 Students: Game Science Inquiry-Based Activity. The 12th Ubon Ratchathani University Research Conference. 12th to 13th July. Ubon Ratchathani, Thailand. 381-389.

    44. Thanyanon, R., and Porntrai, S. 2018. Developing Grade 10 Students’ Achievement in Topic of Others Ecosystems Using 5E Inquiry-Based Instructional Learning Packages. The 1st National and International Conference on Humanities and Social Sciences 1st HUNIC Conference. 14th to 15th September. Surin, Thailand. 755-770.

    45. Kunlabut, A., Teeatracool, D., Sangswan, J., and Porntrai, S. 2019. The Study of Students’ Learning Achievement in Glycolysis Topic Using a Hands-on Activity-Based on Science Inquiry Approach. the Universal Academic Cluster International Autumn Conferences. 10th - 12th October. Osaka, Japan. 67-76.

    46. Soksun, A., Teeatracool, D., and Porntrai, S. 2019. A Study of Learning Achievement and Students’ Satisfaction in Topic of Genetic Engineering and PCR Using a Science Inquiry-Based Hands-on Activity. the Universal Academic Cluster International Autumn Conferences. 10th - 12th October. Osaka, Japan. 77-88.

    47. Fahuan, A., and Porntrai, S. 2020. Developing Learning Achievement using 5E Inquiry Learning Activity on the Topic of Genetic Trait for Grade 9 Students. The 14th Ubon Ratchathani University Research Conference. 3rd to 4th September. Ubon Ratchathani, Thailand. 442-450.

    48. Saengchan, W., and Porntrai, S. 2020. Developing Grade 8 Students’ Learning Achievement in Topic Organ System in Our Body using the Young Doctor Inquiry Activity. The 14th Ubon Ratchathani University Research Conference. 3rd to 4th September. Ubon Ratchathani, Thailand. 451-459.

    49. Kukaew, S., and Porntrai, S. 2020. Developing Grade-11 Students' Learning Achievement on Double Fertilization of Flowering Plants Using Augmented Reality Technology and 5E Learning. The 14th Ubon Ratchathani University Research Conference. 3rd to 4th September. Ubon Ratchathani, Thailand. 460-468.

    50. Srinet, S., and Porntrai, S. 2021. Developing Grade–11 Students’ Learning Achievement in the Topic of Gas Exchange in Animals Using a Science Inquiry-Based Hands-on Activity. SCT Conference 11th: Community-led Social Innovation in the Era of Global Changes amidst Covid-19 Crisis. 19th February. Nakhon Si Thammarat, Thailand. 76-84.

    51. Hurdon, S., and Porntrai, S. 2021. Developing Grade-9 Students’ Learning Achievement in the Topic of Genetics Inheritance using 5E Inquiry-Based Hands-On Activity. The 3rd NCAR NBU: National Conference in Applied Research. 26th March. Bangkok, Thailand. 424-435.

    Abstract

    1. Porntrai, S., Damrongphol, P. and Niemi, K.J. 2007. Using Experiments to Study Plant Competition. Wisconsin Society of Science Teachers 49th Annual Convention. 23rd to 25th March. KI Convention Center, Green Bay, Wisconsin, USA.

    2. Porntrai, S., Niemi, K.J. and Williams, P.H. 2007. How Does Seed Size Affect Growth, Development, and Reproduction of Fast Plants. American Society of Plant Biology Booth. National Science Teacher Association 55th National Conference on Science         Education. 29th March to 1st April. Saint Louis, Missouri, USA.

    3. Porntrai, S., Damrongphol, P. and Williams, P.H. 2007. Teaching Mendelian Genetics with Fast Plants: Rapid Cycling Brassica rapa as a Model for Understanding Principle of Heredity in Thai Classroom. 1stInternational Conference on Science Education in the Asia-Pacific. 28th to 29th November. Sofitel Centara Grand Bangkok Hotel, Bangkok, Thailand.

    4. Porntrai, S., Niemi, K.J. and Williams, P.H. 2008. Inquiry with Fast Plants Seeds to Meet the     Science Education Standards. Wisconsin Society of Science Teachers 50th Annual Convention. 13th to 15th March. Grand Geneva Resort & Spa, Lake Geneva, Wisconsin, USA.

    5. Porntrai, S., Damrongphol, P. and Niemi, K.J. 2008. Plant Competition Experiment: the way to promote the process of scientific inquiry and investigate competition in nature in the classroom. National Science Teacher Association 56th National Conference on Science Education. 27th to 30th March. Boston, Massachusetts, USA.

    6. Porntrai, S. 2009. A secrete of fruit ripening: Measuring ethylene production in school laboratories. Wisconsin Society of Science Teachers 51stAnnual Convention. 5th to 7th March. Hilton City Center, Milwaukee, Wisconsin, USA.

    7. Porntrai, S. 2009. A simple in vitro culture of freshwater prawn embryos for laboratory investigation. National Science Teacher Association 57th National Conference on Science Education. 19th to 22nd March. New Orleans, Louisiana, USA.

    8. Porntrai, S. 2009. The Effectiveness of Predict-Observe-Explain Technique in Diagnosing Students’ Understanding and Identifying Their Level of Achievement in Biochemistry. The First Conference on Higher Education Learning and Practice (Co-HELP 2009). 13th to 14th November. Ubon Ratchathani University, Ubon Ratchathani, Thailand.

    9. Iadnusorn, L. and Porntrai, S. 2010. Developing Students’ Achievement and Satisfaction in Learning Cellular Respiration for Matthayom Suksa 4 Students Using Learning Packages and Inquiry Learning Cycle. The 4th Ubon Ratchathani University Research Conference.  9th to 10th August. Ubon Ratchathani, Thailand.

ทักษะอื่นๆ
การฝึกอบรม
  • 2006: Inquiry-Based Learning, Center for Biology Education, University of Wisconsin-Madison, Wisconsin USA. Supervisor: Dr. Kevin J. Niemi

    2006: Research on Wisconsin Fast Plants, Wisconsin Fast Plants Program, Department of Plant Pathology, University of Wisconsin-Madison, Wisconsin USA. Supervisor: Professor Paul H. Williams

    2007: Inquiry for Teaching and Learning Science, Hotel Windsor Suites, 3rd-12th September, Trainer: Dr Kevin J Niemi, Center for Biology Education, University of Wisconsin-Madison, Wisconsin, USA.

    2008: Inquiry for Teaching and Learning Science: Professional Development for Elementary School Teachers, Somkid Wittaya School, Rayong, 2nd-3rd August, Trainer: Dr. Supaporn Porntrai, Department of Biological Science, Ubon Rajathanee University, Ubon Ratchathani, Thailand.

    2009: Backward Design: Professional Development for Elementary School Teachers from Kemmarach School District, Faculty of Science, Ubon Rajathanee University, Ubon Rajathanee, 13th-15th January, Trainer: Dr Supaporn Porntrai, Department of Biological Science, Ubon Rajathanee University, Ubon Ratchathani, Thailand.