Patnibul C, Chansirisira P. THE DEVELOPMENT OF TRANSFORMATIONAL LEADERSHIP PROGRAM FOR ADMINISTRATORS OF PRIVATE SCHOOL UNDER REGIONAL EDUCATION NO.11. JMND [internet]. 2020 Jun. 30 [cited 2026 Oct. 6];7(6):353-64. available from: https://so03.tci-thaijo.org/index.php/JMND/article/view/244556