Lubis, Haniah, Nur Hasanah, and Madona Khairunisa. 2023. “Influence Wakif’s Understanding and Income of Interest in Waqf in PW. Salimah Riau Province”. Al-Kharaj: Journal of Islamic Economic and Business 5 (1). https://doi.org/10.24256/kharaj.v5i1.3612.