00317nam a2200133Ia 4500008004100000082000800041082001000049100001800059100002000077245003600097260001000133260003100143260000900174230118s9999||||xx |||||||||||||| ||und||  a004  bKAK/A  aajay mbkakar  bdeepak avaswani 2aa text book of computer science  adelhi  bhimalaya publishing house   c1989