Service excellence als ImpulsgeberMatthias H. J. Gouthier, Ingo Balderjahn · First published 2007Open the Tome
Classification, Data Analysis, and Data HighwaysIngo Balderjahn, Rudolf Mathar, Martin Schader · First published 1998Open the Tome
New Developments and Approaches in Consumer Behaviour ResearchIngo Balderjahn, Claudia Mennicken, Eric Vernette · First published 1998Open the Tome
