na YOGYA-02090000009070 20090227021156.0 ind 010-020900000009070 297.7 297.7 Fir K FIRDAUS AN, Kh Kepemimpinan khalifah Umar bin Abdil Aziz Firdaus AN Cet. 1 Jakarta Publicita 1977 208 hlm ilus 21 cm Bibliografi : hlm. 208 Islam - Kepemimpinan YOPDYOG(B) 04-06-2005 1 P000013137