Robchangwat, Wasitpon, and Sanguan Inrak. “Role of Administrator and Teacher Performance in School under The Secondary Educational Service Area Office 8”. Journal of Humanities and Social Sciences, Rajapruk University 7, no. 1 (April 25, 2021): 226–240. Accessed May 19, 2024. https://so03.tci-thaijo.org/index.php/rpu/article/view/251681.