Kholis, N. .; Fajaruddin, S. .; Mutrofin, S. . Produktivitas Riset Perguruan Tinggi Keagamaan Islam Indonesia: Analisis Kualitatif: The Productivity of Scientific Articles at Islamic Religious Higher Education (PTKI) in Indonesia: An Qualitative Analysis. Publ. Lett. 2021, 1, 26-40.