Sangtong, Panuwat, and Pol Luangrangsee. 2024. “THE DEVELOPMENT OF EXTRA-CURRICULAR GAME ACTIVITY IN MATHEMATICS ON ADDING, SUBTRACTING, MULTIPLYING AND DIVIDING BETWEEN STUDENTS IN PRATHOM SUKSA 4 THE EDUCATIONAL INSTITUTION SALES NETWORK BAN PHRU PHATONG”. Journal of Social Science and Cultural 8 (3):110-19. https://so06.tci-thaijo.org/index.php/JSC/article/view/271580.