Ijtihad Umar Ibn Al-Khathab studi tentang perubahan hukum dalam Islam text Jakarta Rajawali 1991 Cet. 1 ind xviii, 188 hlm 22 cm Amiur Nuruddin Bibliografi : hlm. 179-187 Ijtihad Hukum Islam 297.4 979-421-264-4 20090227021145.0 YOGYA-02090000008959 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)