“RISK PROTECTION SYSTEM IN THE PROCUREMENT OF SECOND-HAND CARS ACCORDING TO THE MABI’ CONCEPT IN THE BAI’ MUSAWWAMAH CONTRACT”. 2026. Al-Mudharabah: Jurnal Ekonomi Dan Keuangan Syariah 7 (1): 285-303. https://journal.ar-raniry.ac.id/index.php/mudharabah/article/view/9833.