ภมโร พระครูอุทุมพรกิตติคุณ. “The Development of Educational Personnel”. Journal of Educational Review Faculty of Education in MCU 2, no. 1 (September 6, 2018): 70–80. Accessed April 24, 2024. https://so02.tci-thaijo.org/index.php/EDMCU/article/view/144336.