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Automobile allowances for sales personnel
Martucci, Nicholas L. A., (1959)
Dealer margins
Higgins, Elliott F., (1950)
Training dealers
Selling in our economy : an economic and social analysis of selling and advertising
Tosdal, Harry R., (1957)
The study of consumer demand in relation to capitalistic society
Tosdal, Harry Rudolph, (1938)
Principles of personal selling
Tosdal, Harry Rudolph, (1926)