Chankan, Pornsiri. 2020. “THE PERSONNEL ADMINISTRATION OF THE SCHOOLS IN NONGBOONMAK EDUCATIONAL QUALITY DEVELOPMENT NETWORK CENTER 2 IN NONGBOONMAK DISTRICT IN NAKONRACHASIMA PROVINCE”. Journal of MCU Nakhondhat 7 (6). Nakhon Si Thammarat, Thailand:295-308. https://so03.tci-thaijo.org/index.php/JMND/article/view/244548.