UMAR AL-KHATTAB : The Second Caliph of Islam - Hayati Edward Phillipps (Kuala Klawang, Negeri Sembilan : LATIP DAN KELUARGA ENTERPRISE, 2018)
Keywords: Muhammad , -- Prophet , -- -632 -- Companions; Muhammad , -- Prophet , -- -632 -- Friends and associates; Umar ibn al-Khattab , -- Caliph , -- -644; Caliphs -- Biography