Jittakoat, Y., B. Punthai, K. Khaimook, and U. Sudsukh. “A Thai Traditional Medicine Instructor Competency Assessment Model”. Ph.D. in Social Sciences Journal, vol. 13, no. 2, Aug. 2023, pp. 413-26, https://so05.tci-thaijo.org/index.php/phdssj/article/view/260555.