Kongthanachunhaporn, P., & Heeminkool, P. (2023). COMPETENCIES OF SCHOOL ADMINISTRATORS IN ACADEMIC ADMINSTRATION UNDER SECONDARY EDUCATIONAL SERVICE AREA OFFICE BANGKOK 1. Journal of Yanasangvorn Research Institute Mahamakut Buddhist University, 14(1), 81–91. retrieved from https://so04.tci-thaijo.org/index.php/yri/article/view/266098