Thanaphaet, Chulapunporn. “The Development of Competency Enhancement System for Instructors of Educational Administration by Sappurisadhamma 7 at Higher Education Institutions in the Northeastern Region”. Journal of Graduate MCU KhonKaen Campus 10, no. 4 (December 26, 2023): 236–247. Accessed May 13, 2024. https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/264027.