S. A. As-Shofa, Y. Amirudin, M. Muslim, and A. F. Nawal, “The Ecological Caliphate Paradigm: Integrating Islamic Eco-Theology and Fiqh al-Bi’ah in Islamic Religious Education”, QLMN, vol. 18, no. 2, pp. 1305–1318, Oct. 2026.