เอกจิตต์ ข. and สติมั่น อ. (2018) “The Threefold Training and Self-development”, Journal of Educational Review Faculty of Education in MCU, 3(2), pp. 1701–179. Available at: https://so02.tci-thaijo.org/index.php/EDMCU/article/view/144230 (Accessed: 25 April 2024).