N. M. Ali, I. Muniba, J. S. Clusmann, N. M. Ali, and F. Botzen, “The Social Policy of the Prophet Muhammad as an Agent of Transformation of the Pre-Islamic Social Hierarchy”, Hamidah, vol. 2, no. 1, pp. 77–95, Jun. 2026, doi: 10.64691/4v894m09.