Phadungkit, Julairat, and Panumat Chatprasoet. 2020. “Operational Problems in E-Government Procurement (e-GP) by Procurement Officers at Mahasarakham University”. Journal of Politics and Governance 10 (2). Mahasarahham, Thailand:240-54. https://so03.tci-thaijo.org/index.php/jopag/article/view/245546.