Khalidah, Nur Diana, and Idah Zuhroh. “ANALISIS EFISIENSI PERBANKAN SYARIAH DUNIA”. Journal of Financial Economics & Investment 3, no. 3 (September 30, 2023): 132–139. Accessed December 21, 2024. https://ejournal.umm.ac.id/index.php/jofei/article/view/28153.