00314nam a2200109Ia 4500008004100000082002300041100001800064245005800082250001200140260004400152300000800196240913s9999||||xx |||||||||||||| ||und||  aGS    005.3  LEL/S  aBeck Leland L 0aSustom Software An Introduction to Systom Programming  a1st Ed.  bPearson Education AsiaaNew Delhic2001  a519