Siritachaphat, Natthawat, Kransiree Uarun, and Nidavaree Taecharushpasu. 2018. “The Developing of Human Resource Management Programs and Manpower Replacement for Absenteeism of Security Personnel”. Vocational Education Central Region Journal 2 (2):46-20. https://so06.tci-thaijo.org/index.php/IVECJournal/article/view/246499.