Pujiono, P. (2017) “Metode Ijtihad Lembaga Bahthul Masail PCNU Jember: Studi Tentang Ijtihad Jama’i Bidang Ekonomi: Ijtihad Methods of the Bahthul Masail Institution of PCNU Jember: A Study on Collective Ijtihad in the Economic Field”, Fenomena, 16(1), pp. 85–100. doi:10.35719/fenomena.v16i1.663.