“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”, penamas, vol. 27, no. 1, hlm. 79–94, Agu 2017, Diakses: 12 Februari 2026. [Daring]. Tersedia pada: https://penamas.kemenag.go.id/penamas/article/view/67