มีเพียร ศ., and บุญมี แ. ก. “The Effective Managerial Model for Graduate School of Private Universities in Thailand”. Journal of Research and Development Institute Rajabhat Maha Sarakham University, vol. 2, no. 2, July 2015, pp. 48-60, https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211713.