MOHD RASHAD SHAMSUDDIN <br/><br/>
KHULAFA' RASYIDIN & DAULAH ISLAMIAH ABU BAKAR AS-SIDDIQ, UMAR AL-KHATTAB, UTHMAN IBN AFFAN, ALI IBN ABI TALIB 

 -  AL-HIDAYAH PUBLISHERS 
<br/><br/><label>ISBN: </label>983-099-245-4