Ramdhan, Dadan F, and Hariman Surya Siregar. “MANAJEMEN MUTU PERGURUAN TINGGI KEAGAMAAN ISLAM SWASTA (PTKIS)”. Jurnal Perspektif, vol. 3, no. 1, May 2019, pp. 75-109, doi:10.15575/jp.v3i1.40.