Siregar, Resi Atna Sari, et al. “Islamic Boarding School Cooperatives As an Instrument for Empowering the Community’s Economy: Analysis of Islamic Economic Law”. Nurani: Jurnal Kajian syari’ah Dan Masyarakat, vol. 25, no. 1, June 2025, pp. 323-4, https://doi.org/10.19109/nurani.v25i1.27698.