na INLIS000000000006655 Ind 0010-0120005523 Khalifah Umar bin Khattab Savitri Sri Bharata Savitri Sri Bharata Bandung: Remaja Rosdakarya 2002 43 hal ; 28 cm 979-514-125-5 202 BHA k 202 sahabat Rasulullah 9328/2009 9327/2009