Phansaensao F, Choeybal P. GUIDELINES FOR INNOVATIVE LEADERSHIP DEVELOPMENT OF SCHOOL ADMINISTRATORS UNDER SAKON NAKHON PRIMARY EDUCATIONAL SERVICE AREA OFFICE 3 . AJMBU [internet]. 2025 May 26 [cited 2026 Oct. 13];14(2):12-23. available from: https://so01.tci-thaijo.org/index.php/AJMBU/article/view/280000