Kaewpratoom, Arisa, Jintana Chancharoen, and Thitiarpha Tangkawanich. 2023. “THE RELATIONSHIP ADMINISTRATOR’S COMPETENCY WITH TEACHER’S PERFORMANCE IN THE SCHOOLS OF CHIANG RAI PRIMARY EDUCATIONAL SERVICE AREA OFFICE 1”. Journal of MCU Nakhondhat 10 (4). Nakhon Si Thammarat, Thailand:110-22. https://so03.tci-thaijo.org/index.php/JMND/article/view/268653.