Rijal, Akmalur. “Pengetahuan Konsumen Terhadap Ib Hasanah Card Bank Bni Syariah Cabang Surabaya”. ADILLA : Jurnal Ilmiah Ekonomi Syari’ah 1, no. 01 (January 31, 2018): 117-139. Accessed March 8, 2021. http://e-jurnal.unisda.ac.id/index.php/adilla/article/view/736.