00367nam a22001097a 4500082000800000100001900008245010200027260003600129300002700165650004500192700002000237  a004  aHassan, Shoaib  aPurification of Requirement Engineering Model for Rapid Application Development /cShoaib Hassan.  aIslamabad:bCEME - NUST,c2015.  a86 p. :bill. ;c30cm.  aComputer Software Engineering MS-Thesis.  aDr. Usman Qamar