Thongpan, K., Chaichomchuen, S. ., & Sanrach, C. (2022). A Synthesis Model of Learning Activity by R2D2 Model through knowledge Maps for Developing Teachers Competencies of Learners. Academic Journal of Thailand National Sports University, 7(1), 13–28. retrieved from https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/256409