Ardiansyah, F. .; Firdawinata, M. . Ownership Status of Residual Motorcycle Spare Parts from the Perspective of Maslahah Mursalah and the Ijarah Bi Al-’Amal Contract: A Case Study of a Repair Shop in Lima Kaum, Tanah Datar Regency. IJ 2026, 8, 206-218.