Haruna, S.M. 2025. Sectarianism and Fragmentation in the Muslim World: A Qur’anic and Hadith Perspective on the Causes, Consequences, and Path to Unity. Dirasah International Journal of Islamic Studies. 3, 1 (Mar. 2025), 42–63. DOI:https://doi.org/10.59373/drs.v3i1.49.