Azizs, Abdul, and Rosdaniah Rosdaniah. “Aplikasi Kontrak Jual Beli Di Muka: Salam Dan Istishna’ Pada Perbankan Dalam Perspektif Ekonomi Islam”. Mubeza 11, no. 1 (January 30, 2022): 35–41. Accessed December 26, 2025. https://journal.iaintakengon.ac.id/index.php/mbz/article/view/54.