นาก้อนทอง อ, ชาปัญญา ย, กำมันตะคุณ ว. The Relationship Between Administrators’ Instructional Leadership and Teaching Efficiency of Schools Under The Office of Roi-Et Primary Education Service Area 3. J Roi Et [Internet]. 2017 Jun. 30 [cited 2024 May 2];11(1):158-65. Available from: https://so03.tci-thaijo.org/index.php/reru/article/view/176570