Kaewpratoom, A. ., Chancharoen, J. ., & Tangkawanich , T. . (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), 110–122. retrieved from https://so03.tci-thaijo.org/index.php/JMND/article/view/268653