Limpijumnong, Sirinat, and Parnpitcha Kanjug. “The Model for Digital Competency Development for Teachers in The Digital Transformation Era for The Secondary Educational Service Area Office, Khon Kaen”. Journal of Education Studies, Chulalongkorn University 51, no. 4 (December 30, 2023): EDUCU5104003. accessed October 5, 2026. https://so02.tci-thaijo.org/index.php/EDUCU/article/view/258872.