Oktaviani, Feni. “Relevansi Akad Ijarah Pada Pembiayaan Umroh Di Bank Syariah Kantor Pusat Jakarta Perspektif Hukum Islam”. Iqtishodia: Jurnal Ekonomi Syariah 3, no. 2 (September 25, 2018): 110–131. Accessed May 3, 2024. https://ejournal.alqolam.ac.id/index.php/iqtishodia/article/view/217.