Abdullah, R.H. 2024. The Fundamentalists’ Reasoning for the Hadith: “You Must Adhere to my Sunnah and the Sunnah of the Rightly Guided Caliphs, the Mahdis”. Koya University Journal of Humanities and Social Sciences. 7, 2 (Oct. 2024), 197-211. DOI:https://doi.org/10.14500/kujhss.v7n2y2024.pp197-211.