Ekwarangkoon, P., Chuntra, C., & Nugkim, K. (2020). Guidelines for the Promotion of Teaching Behaviors of Teachers at Basic Education Level Towards Developing Student Learning Achievement . Dusit Thani College Journal, 12(3), 366–381. retrieved from https://so01.tci-thaijo.org/index.php/journaldtc/article/view/240973