Wongbandit, Wilailuk, Sopaporn Klamsakul, and Supanat Sapnawin. “The Development of Competency for 15th Military Circle Phetchaburi Province”. Academic MCU Buriram Journal 6, no. 2 (December 27, 2021): 271–285. Accessed April 26, 2024. https://so06.tci-thaijo.org/index.php/ambj/article/view/250097.