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Analitical marketing
Simon, Leonard S., (1970)
Industrial marketing
Hill, Richard M., (1975)
Applied operations research : systems analysis in hierarchical decision-making
Chacko, George Kuttickal, (1976)
A goal programming model for sales effort allocation
Lee, Sang M., (1972)
Goal programming for decision analysis
Linear optimization for management
Lee, Sang M., (1976)