Chaisiwamongkol, Kowit, Yanyong Toomsan, and Wichuda Chaisiwamongkol. 2013. “Opinions about Student Centre Learning Activities for Heath Science Instructor and Student in Khon Kaen University”. Srinagarind Medical Journal 21 (3):228-39. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13224.