00254nam a2200109Ia 4500008004100000082001500041100001600056245001800072250000900090260003700099300000800136240913s9999||||xx |||||||||||||| ||und||  a510  KHA/M  aZubair Khan 0aMathematics 2  aNULL  bAne books IndiaaNew Delhic2007  a368