00261nam a2200109Ia 4500008004100000100003500041245002200076260002200098300000900120942000700129999001500136190216s9999||||xx |||||||||||||| ||und||  aNigam Lall B M&Amp; Sharma G L 0aPractical Costing  bKalyani Pubc1981  a678p  cBK  c4843d4843