Ponchompoo, Preecha. “DEVELOPMENT OF PUBLIC MIND ENHANCEMENT ACTIVITIES MODEL OF TEACHERS IN NORTH BANGKOK GROUP ZONE UNDER THE JURISDICTION OF BANGKOK NON -FORMAL AND INFORMAL EDUCATION OFFICE”. Journal of MCU Nakhondhat 9, no. 3 (March 31, 2022): 16–30. Accessed March 29, 2024. https://so03.tci-thaijo.org/index.php/JMND/article/view/259785.