00273nam a2200109Ia 4500008004100000082001600041100001400057245004200071250000800113260003400121300000800155191201s2019    xx            000 0 und d  a004.21bDIS  aDIXIT, JB 0aStructured system analysis and design  aRep  bLaxmi PublicationsaNEW DELHI  a435