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Techniques modernes dʹexpansion des ventes dans lʹindustrie
Nepveu-Nivelle, F., (1962)
Marketing management : strategies and programs
Guiltinan, Joseph P., (1982)
Consumer behavior and the practice of marketing
Runyon, Kenneth E., (1977)
Industrielle Betriebswirtschaftslehre
Fries, Hans-Peter, (1982)