M. Haris Hidayatulloh et al. 2026. Green Economy in Pesantren-Based Islamic Microfinance Institutions in Madura: Constructing Muamalah Contracts from the Perspective of Qawa’id Fiqhiyyah. Al-Huquq: Journal of Indonesian Islamic Economic Law. 8, 1 (Jun. 2026), 71–93. DOI:https://doi.org/10.19105/alhuquq.v8i1.24145.