“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), hlm. 79–94. Tersedia pada: https://penamas.kemenag.go.id/penamas/article/view/67 (Diakses: 13 Februari 2026).