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Mathematical models in marketing
Murdick, Robert G. - 1971
Persistent link: https://www.econbiz.de/10000572010
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Sales forecasting for lower costs and higher profits
Murdick, Robert Gordon; Schaefer, Arthur Edward - 1967
Persistent link: https://www.econbiz.de/10000566964
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Business research: Concept and practice
Murdick, Robert Gordon - 1969
Persistent link: https://www.econbiz.de/10000575884