Pujianto A, Sugiarti, Winarjo W. Problems with Competence and Leadership Skills of Principals at the Junior High School Level: A Systematic Literature Reviewwords. JEIT [Internet]. 2025 Aug. 1 [cited 2025 Aug. 17];1(2):1-20. Available from: https://journal.ciptapustaka.com/index.php/JEIT/article/view/94