Nasrulloh, Nasrulloh, Nensy Dwi Saputri, and Aris Kusumo Diantoro. “The Impact of Islamic Service Quality, Complaint Handling, and Margins on Customer Satisfaction in Islamic Financial Institutions: Pengaruh Kualitas Layanan Syariah, Penanganan Keluhan, Dan Margin Terhadap Kepuasan Nasabah Di Lembaga Keuangan Syariah”. Az-Zarqa’: Jurnal Hukum Bisnis Islam 16, no. 1 (February 19, 2025): 115–136. Accessed July 13, 2025. https://journal.uin-suka.ac.id/syariah/azzarqa/article/view/3776.