00453nam a22001337a 4500020001800000040000900018082001600027100002900043245005200072260006000124942001200184999001900196952010400215  a9786035003148  cNUST  a297.64bABD  aAbdul Basit Ahmad981712  a The Second Caliph Of Islam Umar Bin Al Khattab  aRiyadh:bDarussalam Publishers And Distributors,c2014.  2ddccBK  c586451d586451  00102ddc4070aCEMEbCEMEcGENd2021-09-09l0o297.64 ABDpCEME-50759r2021-09-09w2021-09-09yBK