00450nam a22001697a 4500001000700000003000400007005001700011008004100028020001800069040002500087050002300112100002100135245005500156250001800211260003200229504001900261014449OSt20210330142408.0140425b        xxu||||| |||| 00| 0 eng d  a9788131505496  aDLCbengcCUCKdCUCK  aQ 295 b. S54 2006  a Shelly, Gary B.  aSystems Analysis and Design MethodscShelly Gary B  aIndia Edition  aNew Delhi.bCengage:c2006.  aincludes index