kusirirat, kampanart. “DEVELOPMENT OF LEARING OBJECT MEDIA ACCORDANCE WITH PRINCIPLES OF EDUTAINMENT FOR ENHANCING MATHEMATICAL PROBLEM SOLVING OF UNDERGARADUATE STUDENTS”. Pathumthani University Academic Journal 13, no. 2 (December 29, 2021): 324–340. Accessed May 7, 2024. https://so05.tci-thaijo.org/index.php/ptujournal/article/view/253863.