Arif, Zainal, Hasna Zahira, and Muhamad Zen. 2022. “Optimizing the Use of Mobile Banking Service Systems in Attracting Customer Interest at PT Bank Syariah Indonesia”. ITQAN: Journal of Islamic Economics, Management, and Finance 1 (2):53-59. https://doi.org/10.57053/itqan.v1i2.11.