El-Yunusi, M. Y. M. . “Pluralisme Dalam Pondok Modern Gontor Ponorogo: Kajian Kitab Bidayat Al-Mujtahid”. JOIES (Journal of Islamic Education Studies), vol. 2, no. 1, June 2017, pp. 46-64, doi:10.15642/joies.2017.2.1.46-64.