Thanaphaet C. The Development of Competency Enhancement System for Instructors of Educational Administration by Sappurisadhamma 7 at Higher Education Institutions in the Northeastern Region. jg-mcukk [Internet]. 2023 Dec. 26 [cited 2024 May 13];10(4):236-47. Available from: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/264027