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Was man an der Harvard Business School nicht lernt
McCormack, Mark H., (1985)
De rol van marketing management in strategisch management
Bunt, J., (1982)
Marketing management in action
Buell, Victor P., (1966)
Mathematical programming models for marketing and production management
Welam, Ulf Peter, (1975)
Company contributions to discretionary profit-sharing plans : Comment
Welam, Ulf Peter, (1976)
Multi-item production smoothing models with almost closed form solutions