Booncham, Manasawan, and Laddawan Petchroj. “The Administrative of Higher Education for Excellence of Rajapruk University”. Journal of Humanities and Social Sciences, Rajapruk University 6, no. 1 (April 25, 2020): 161–173. Accessed April 29, 2024. https://so03.tci-thaijo.org/index.php/rpu/article/view/242238.