setiyawan, m., 		sumardi, s., & 		Swatika, K.
2020 Jun  3.  The Emergence of Shia, Khawarij and Sunni Groups in Islam at the Time the Caliphate of Sayyidina Ali bin Abi Talib of the year 35-41 H / 656-661 AD in the Arabian Peninsula.. JURNAL HISTORICA. [Online] 4:1