00358nam a22001337a 450000500170000000800410001702000180005804100080007608200180008410000350010224500440013726000350018130000080021620180203113416.0160427b        xxu||||| |||| 00| 0 eng d  a81-203-2312-2  aeng  b00217a004.21  aValacich, Joseph S. and others  aEssentials of Systems Analysis & Design  aNew DelhibPHI Pvt Ltd. c2004  a460