Tipkamontanakul, W. and Tonwimonrat, S. (2021) “The Empowering of Administrator and Motivation in Teacher Performance under The Secondary Educational Service Area Office 9”, Journal of Humanities and Social Sciences, Rajapruk University, 7(1), pp. 255–271. Available at: https://so03.tci-thaijo.org/index.php/rpu/article/view/251683 (Accessed: 19 May 2024).