Sudarmin, A. B. M., U. Amri, R. Amelia, R. Rismawati, and Ajmalunnas M. “Fiqh Al-Bī’ah and Mining Concessions: NU and Muhammadiyah’s Legal Responses”. Parewa Saraq: Journal of Islamic Law and Fatwa Review, vol. 4, no. 2, Nov. 2025, pp. 117-28, doi:10.64016/parewasaraq.v4i2.49.