ตะลาด เ. “Guidelines to Develop Core Competencies of the Academic Supporting Staff of Khon Kaen University”. Journal of Education Khon Kaen University (Graduate Studies Research), vol. 11, no. 4, May 2018, pp. 36-44, https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/124476.