Baltaji, Muhammad <br/><br/>
Ijtihad Umar bin Khattab dalam penetapan syariat Islam / 
Muhammad Baltaji ; terjemahan : H. Abdul Rachman Saleh Siregar 
 - Puchong :  Berlian Publications,  2007 
 - viii, 636 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>9832179718  RM39.50 9789832179719 
<br/><br/><label>Subjects--Personal Names: </label><br/>'Umar ibn al-Khattab, Caliph,  d. 644 --Contributions in Islamic law
<br/><br/><label>Subjects--Topical Terms: </label><br/>Islamic law--Interpretation and construction<br/>Islamic law--Sources