Parta Wijaya NA, Junaidi J, Yakub Simbolon AM, Yanti I, Sumarni W. Leadership Concepts in Educational Supervision. GIC [Internet]. 2023 Jul. 31 [cited 2026 May 19];1(1):219-27. Available from: https://proceedings.uinbukittinggi.ac.id/index.php/gic/article/view/118