Tulyakul, Singha, Orapin Tipdech, Wilaipin Thongprasert, Taewaet Junhom, Kasem Pantusa, Nom Sangthong, Namchok Buaduang, et al. 2020. “Relationship Between Lesson Implementation and Intrinsic Motivation of Pre-Service Physical Educators in Universities in the Border Provinces of Southern Thailand”. Journal of Research in Education and Society (JRES) 11 (1):1-11. http://icidr.org.ng/index.php/Jres/article/view/1500.