00318    a2200133   4500003000500000005001700005040000900022082001100031100002000042245006500062260003000127300000800157650001900165Nust20170207152522.0  cNust  a004.21  aBentley,Whitten  aSystem Analysis and Design MethodscWhitten , Bentley Barlow  aNew DelhibGalgotiac1994  a797  aDesign Methods