Phunsangka, T. and Sirikase, B. (2023) “21st Century Administrator’s Skills Effective to Professional Learning Community of Schools Under Loei Primary Educational Service Area Office 1: 21st Century Administrator’s Skills Effective to Professional Learning Community of Schools Under Loei Primary Educational Service Area Office 1”, RATANABUTH JOURNAL. Yasothon, Thailand, 5(2), pp. 582–600. available at: https://so07.tci-thaijo.org/index.php/rtnb/article/view/3274 (accessed: 7 April 2025).