00275nam a2200121Ia 4500008004100000100001900041245002300060260002200083300000800105650001600113942000700129999001700136190216s9999||||xx |||||||||||||| ||und||  aAmit M Agarwal 0aPlay With Graphics  bArihant Prakashan  a182  aMathematics  cBK  c32045d32045