Jumpasri, P. (2018) “Factors Affecting Access to Higher Positions of Supporting Staff Rajabhat Maha Sarakham University”, Journal for Developing the Social and Community . Bangkok, Thailand, 5(1), pp. 101–114. available at: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/210508 (accessed: 9 December 2025).