ธรรมารัตน์ สมชัย. “Enhancing the Quality of Work Life of Police Officers in the Metropolitan Police Division 8”. Mahamakut Graduate School Journal 14, no. 1 (March 12, 2019): 85–93. Accessed April 29, 2024. https://so04.tci-thaijo.org/index.php/mgsj/article/view/177341.