00697nam0-22002531i-450-990002609390403321000260939FED01000260939(Aleph)000260939FED0100026093920000920d1970----km-y0itay50------baENGMathematical models in marketingdi MURDI CK R.G.ScrantonIntext Educational Publishers1970Murdick,Robert G.106374ITUNINARICAUNIMARCBK9900026093904033214-1-125-TI3060ECAECAMathematical models in marketing433314UNINAING01