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Erfolgsfaktor Verkauf : Handeln im Wandel
Denz, Wolfgang, (1996)
Positives Denken : Schlüssel zur Mitarbeiter- und Verkäufermotivation
Altmann, Hans Christian, (1997)
Management of a sales force
Stanton, William J., (1999)
Portfolio company best practices : post-acquisition transition : preserving customer relationships when company founders depart
Gray, Harry, (2015)
Portfolio company best practices : focusing on the most important controls : it’s about operations first, finance second
Making lemonade from a bumper lemon crop : choose your ingredients wisely
Feeney, Robert, (2012)