PERAN KOPERTAIS IX DALAM PEMBINAAN MUTU PERGURUAN TINGGI AGAMA ISLAM DI SUMATERA UTARA: THE ROLE OF KOPERTAIS REGION IX IN THE QUALITY DEVELOPMENT OF ISLAMIC HIGHER EDUCATION INSTITUTIONS IN NORTH SUMATERA. (2017). Penamas, 27(1), 79-94. https://penamas.kemenag.go.id/penamas/article/view/67