Phuyiamchit, Lt. Col. Dr.Narong. “Quality of life’s Policeman Development by Using Sufficiency Economy Based”. Journal of Research and Development Institute Rajabhat Maha Sarakham University 5, no. 1 (December 31, 2018): 291–300. Accessed May 1, 2024. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/210809.