Upakdee, C., & Duangchatom, K. (2021). Development Guidelines on Technological Leadership of School Administrators Under Chaiyaphum Primary Educational Service Area Office 1. ournal of raduate esearch, 12(1), 31-41. etrieved from https://so02.tci-thaijo.org/index.php/banditvijai/article/view/247510