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The product-planning system
Goslin, Lewis N., (1967)
Rugalmas termelésirányítás a gépiparban
Hajtó, Aurél, (1979)
Operations management : selected readings
Groff, Gene K., (1969)
Geographic markets areas and market structure in the bituminous coal industry
Shrieves, Ronald E., (1978)
Market structure and innovation : a new perspective
Convergence in the activities of European banks
Dahl, Drew, (2008)