Punklan, Kasemsan, and Sutthiporn Boonsong. “PROBLEM- BASED LEARNING MANAGEMENT IN HISTORY COURSE TO DEVELOP ACADEMIC ACHIEVEMENT AND ANALYTICAL SKILLS FOR PRIMARY 5 (GRADE 5) STUDENTS”. Journal of Buddhist Anthropology 5, no. 12 (December 20, 2020): 213–225. accessed April 6, 2025. https://so04.tci-thaijo.org/index.php/JSBA/article/view/247156.