Pongpoj, C. and Kohtbantau, S. . (2022) “Opinion of Educational Personnel toward Student Development Activities at Ban Bung Ngao School under the Jurisdiction of Maha Sarakham Primary Educational Service Area Office 2”, Journal of Research and Development Institute Rajabhat Maha Sarakham University, 9(3), pp. 107–116. Available at: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/256326 (Accessed: 30 April 2024).