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A management-oriented model for allocating sales effort
Parasuramam, A.; Day, Ralph L. - In: Journal of marketing research : JMR 14 (1977) 1, pp. 22-33
Persistent link: https://www.econbiz.de/10002615321
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Marketing models : behavioral science applications
Day, Ralph L. (contributor); Ness, Thomas E. (contributor) - 1971
Persistent link: https://www.econbiz.de/10013503938