Kottonglang, J. (2021) “DEVELOPING A PROGRAM TO STRENGTHEN LEARNING LEADERSHIP OF SCHOOL ADMINISTRATORS UNDER THE SECONDARY EDUCATION SERVICE AREA OFFICE MAHASARAKHAM”, Journal of MCU Nakhondhat. Nakhon Si Thammarat, Thailand, 8(7), pp. 158–171. available at: https://so03.tci-thaijo.org/index.php/JMND/article/view/253513 (accessed: 11 October 2026).