Octrina, Fajra, and Alia Gantina Siti Mariam. “Productivity of Islamic Banking in Indonesia”. Jurnal Perspektif Pembiayaan dan Pembangunan Daerah 9, no. 1 (April 30, 2021): 19 - 28. Accessed July 18, 2024. https://online-journal.unja.ac.id/JES/article/view/11041.