Photitathong, Apiwad, and Hemmin Thanapatmeemanee. 2020. “Teacher Development Program, Active Learning Management for Schools under the Secondary Education Service Area Office 30”. Academic Journal of Mahamakut Buddhist University Roi Et Campus 10 (1):351-62. https://so01.tci-thaijo.org/index.php/AJMBU/article/view/241293.