00273nam a2200121Ia 4500008004100000100001600041245003300057260001700090300000900107650001300116942000700129999001500136190216s9999||||xx |||||||||||||| ||und||  aRastogi K K 0aTheory And Practice Commerce  bMcgraw -hill  a201p  aCommerce  cBK  c4267d4267