โอฬาพิริยกุล ส. THE DEVELOPMENT OF MULTIMEDIA LEARNING KITS ON NATURAL PHENOMENA FOR PRE-ELEMENTARY STUDENTS AT SRINAKHARINWIROT UNIVERSITY: PRASARNMIT DEMONSTRATION SCHOOL (ELEMENTARY). Srinakharinwirot Research and Development Journal of Humanities and Social Sciences, Bangkok, Thailand, v. 12, n. 23, January-June, p. 98–111, 2020. Disponível em: https://so04.tci-thaijo.org/index.php/swurd/article/view/244107. Acesso em: 1 oct. 2026.