Butsaenkhom C. Visionary Leadership of School Administrators Affecting Working Performance Effectiveness of Teachers in Schools Under Sakon Nakhon Primary Educational Service Area Office 3. jg-mcukk [internet]. 2025 Jun. 30 [cited 2026 Oct. 14];12(2):278-89. available from: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/275637