โอฬาพิริยกุล ส. THE DEVELOPMENT OF MULTIMEDIA LEARNING KITS ON NATURAL PHENOMENA FOR PRE-ELEMENTARY STUDENTS AT SRINAKHARINWIROT UNIVERSITY: PRASARNMIT DEMONSTRATION SCHOOL (ELEMENTARY). SWRD. J. Humanit. Soc. Sci. [internet]. 2020 Jun. 30 [cited 2026 Sep. 24];12(23, January-June):98-111. available from: https://so04.tci-thaijo.org/index.php/swurd/article/view/244107