Sukhsantikamol, Teerasak, Nuttakan Phachan, Rungaroon Piyarit, and Siriwan Prachprayoon. 2023. “The Development of Education on Sufficiency Economy and Upgrading General Education Subject on the King’s Philosophy of Rajabhat University to the 21st Century: Grassroots Economy Recovery, Supporting for Climate Change, Laying the Foundation of Entrepren”. Journal of Humanities and Social Sciences Review 25 (2):56-76. https://so05.tci-thaijo.org/index.php/hspbruacthjournal/article/view/269632.