Boontachan, T. and Wangcham, S. (2024) “The Role of School Administrators in Promoting Active Teachers of Extra-large Size Secondary Schools in Lamphun Province under the Lampang – Lamphun Secondary Educational Service Area Office”, Journal of Humanities and Social Sciences, Rajapruk University, 10(3), pp. 330–345. available at: https://so03.tci-thaijo.org/index.php/rpu/article/view/284737 (accessed: 16 April 2025).