Lubis, I.S. , Muhammad Ramadhan and Marliyah, M. 2025. Unlocking idle waqf assets through institutionalized pentahelix collaboration: Evidence from North Sumatra, Indonesia. Journal of Islamic Economics Lariba. 11, 2 (Aug. 2025), 1115–1148. DOI:https://doi.org/10.20885/jielariba.vol11.iss2.art17.