Boonniyom, Phitsanu, Takaporn Sukkasem, and Phisan Nasuriwong. 2023. “WORK HAPPINESS OF POLICE OFFICERS”. Journal of Graduate School Sakon Nakhon Rajabhat University 20 (91). Sakon Nakhon, Thailand:134-40. https://so02.tci-thaijo.org/index.php/SNGSJ/article/view/255939.