ผ่องพลีศาล กิตติธัช. “Competency of Police Officers in The Transit Sub-Division, Immigration Office,Suwannabhumi International Airport”. Journal of Rattana Bundit University 13, no. 1 (August 31, 2018): 52–61. Accessed April 25, 2024. https://so03.tci-thaijo.org/index.php/rbac/article/view/224611.