Day, Ralph L.
Marketing models: quantitative and behavioral ed by Ralph L. Day - Scranton Pennsylvania International Textbook 1968 - 671p.
Consumption (Economics)
Marketing --Mathematical models
T34 D333
Marketing models: quantitative and behavioral ed by Ralph L. Day - Scranton Pennsylvania International Textbook 1968 - 671p.
Consumption (Economics)
Marketing --Mathematical models
T34 D333
