Prasanphan, Suchin, and Pennapa Sukserm. 2021. “ACADEMIC LEADERSHIP OF SCHOOL DISTRICT OFFICE ADMINISTRATORS PRIMARY EDUCATION CHAIYAPHUM DISTRICT 1”. Journal of MCU Nakhondhat 8 (2). Nakhon Si Thammarat, Thailand:15-28. https://so03.tci-thaijo.org/index.php/JMND/article/view/250483.