Sunardi S, Nugroho PJ, Setiawan S. KEPEMIMPINAN INSTRUKSIONAL KEPALA SEKOLAH. EEJ [Internet]. 2019 Oct. 20 [cited 2024 Apr. 19];1(1):20-8. Available from: https://e-journal.upr.ac.id/index.php/eej/article/view/1548