Jumpasri P. Factors Affecting Access to Higher Positions of Supporting Staff Rajabhat Maha Sarakham University. JRDI. RMU [Internet]. 2018 Dec. 31 [cited 2024 May 9];5(1):101-14. Available from: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/210508