Sarapon B, Steannoppakao P, Somsrisuk A. INNOVATIVE LEADERSHIP OF ADMINISTRATORS AFFECTING THE EFFECTIVENESS OF PERSONNEL MANAGEMENT IN SCHOOLS UNDER THE SECONDARY EDUCATIONAL SERVICE AREA OFFICE UDON THANI. SN Grad J. [internet]. 2025 Sep. 29 [cited 2025 Dec. 6];22(98):136-50. available from: https://so02.tci-thaijo.org/index.php/SNGSJ/article/view/261654