Heancharoen, W., Vinijkul, R., & Boonniyom, P. (2025). Improving the Service Level of the Office of Academic Promotion and Registration Kamphaeng Phet Rajabhat University. Journal of Graduate MCU KhonKaen Campus, 12(4), 1–12. retrieved from https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/279989