Imam Ali Ibn Abi Talieb : the fourth caliph - redha, mohammad; Jammal, .F. Walid ((3HjQhJ (B: s (3OGQ GdcJH GdYdejI(B, s, 2006)
Keywords: CALIPHATE OF ALI IBN ABI TALEB 656-661.; ORTHODOX CALIPHATE 632-661.