Sudararat S. A STUDY OF NEEDS FOR IMPROVING SCHOOL ADMINISTRATION TOWARDS EXCELLENCE OF PRIVATE SCHOOL ADMINISTRATORS UNDER SAMUT SAKHON PROVINCIAL EDUCATION OFFICE. AJPU [internet]. 2023 Jun. 17 [cited 2025 Mar. 23];14(1):87-99. available from: https://so01.tci-thaijo.org/index.php/AJPU/article/view/262911