Fajar Hadiansyah C. THE ROLE OF EDUCATIONAL SUPERVISION IN IMPROVING TEACHER COMPETENCY AND LEARNING QUALITY AT PALUMBONSARI STATE PRIMARY SCHOOL 1. ASCENT [Internet]. 2023 Aug. 31 [cited 2026 May 29];2(1):59-65. Available from: https://www.jurnal.staialbahjah.ac.id/index.php/ascent/article/view/510