ผลเกิด พ.; เพ็ชรร์แสงศรี ศ.; ภู่พัฒน์ ผ. The Development of an Electronic Book on Mathematics Subject in Fractions and Decimal for Matayomsuksa 1 students. Journal of Industrial Education, [S. l.], v. 14, n. 2, p. 252–259, 2015. Disponível em: https://ph01.tci-thaijo.org/index.php/JIE/article/view/122348. Acesso em: 29 apr. 2024.