doni mahama, Rumakhom V, Adulvajarameta S. Relationship Between Instructional Leadership of School Administrators under the Office of the Private Education Commission, Bangkapi District and 21st Century Skills of Learners: . jma [internet]. 2024 Dec. 4 [cited 2026 Aug. 28];11(3):574-86. available from: https://so04.tci-thaijo.org/index.php/JMA/article/view/271016