Samy S. Swayd. Historical dictionary of the Druzes, illustrated, Scarecrow Press, 2006 — xli-bet. ISBN 0810853329. Qaraldi: 2012-yil 4-aprel. „The fifth caliph, al-'Aziz bi-Allah (r.975-996). . . In his time, the Fatimi "Call" or "Mission" (Da'wa) reached as far east as India and northern China.“
