Batubara, Rini Wahyuni, et al. “The Implementation of Sharia Contracts in Islamic Banking Operations: A Fiqh Al-Muamalah Perspective”. Jurnal Masharif Al-Syariah: Jurnal Ekonomi Dan Perbankan Syariah, vol. 11, no. 4, June 2026, doi:10.30651/jms.v11i4.31788.