Thepwarin, Thanalada. “THE DEVELOPMENT OF A LEARNING ACTIVITY SERIES ON THE STORY OF A YOUNG ECONOMIST SOCIAL STUDIES, RELIGION AND CULTURE OF GRADE 5 STUDENTS”. Journal of MCU Nakhondhat 8, no. 10 (October 31, 2021): 262–270. Accessed April 23, 2024. https://so03.tci-thaijo.org/index.php/JMND/article/view/256348.