Phadermwattanakun, piyaporn and Montaisong, T. (2024) “The Role of Administrators Affecting Teaching Skills of Teachers in the 21 st Century Under The Suphanburi Secondary Educational Service Area Office”., Mahachula Academic Journal. Bangkok, Thailand, 11(1), pp. 291–304. Available at: https://so04.tci-thaijo.org/index.php/JMA/article/view/268522 (Accessed: 18 May 2024).