Upakdee, C. and Duangchatom, K. (2021) “Development Guidelines on Technological Leadership of School Administrators Under Chaiyaphum Primary Educational Service Area Office 1”, Journal of Graduate Research, 12(1), pp. 31-41. vailable at: https://so02.tci-thaijo.org/index.php/banditvijai/article/view/247510 (ccessed: 30November2021).