Sukosol, Kaewmanee. “Requiring to Self-Improvement of the Police Cadet 9th Provincial Police Training Center, Region 3”. Academic MCU Buriram Journal 5, no. 2 (December 29, 2020): 1–13. Accessed May 5, 2024. https://so06.tci-thaijo.org/index.php/ambj/article/view/242655.