Tegar Ayyu Mutmainasari, Aksin. Strategi Manajemen Pengembangan Mutu Ekstrakurikuler di SDN 1 Pijeran, Siman Ponorogo. excelencia [Internet]. 2022Jun.10 [cited 2024Dec.23];2(01):73-4. Available from: https://ejournal.iainponorogo.ac.id/index.php/excelencia/article/view/519