Nyamidi Nyamidi, Nur Ahyani, Nila Kesumawati. Principal Managerial Skills in Development Religious Culture at State Elementary School 15 Air Kumbang. ijellacush [Internet]. 2025 Feb. 21 [cited 2025 Apr. 4];3(1):178-86. Available from: https://pbsi-upr.id/index.php/ijellacush/article/view/1321