Khamtorn P, Kornpuang A. The Relationship Between Transformational Leadership and 21st Century Skills of Schooladministrators Under Phitsanulok Primary Educational Service Area Office 3. jomld [internet]. 2023 Jul. 1 [cited 2026 Oct. 4];8(6):59-6. available from: https://so06.tci-thaijo.org/index.php/jomld/article/view/260483