00319nam a2200109Ia 4500008004100000082002500041100002000066245006200086250000900148260004200157300001000199240913s9999||||xx |||||||||||||| ||und||  aGS    005.133  LEE/I  aEd by Barry Lee 0aIntroducing system analysis and design : combined volumes  aNULL  bGalgotia Book SourceaNew Delhic1998  a556 p