Interfaith MarketingFrank G. Cabano, Stefan Müller, Katja Gelbrich · First published 2024Open the Tome
Cross-Cultural Consumer BehaviorKatja Gelbrich, Stefan Müller, Stanford A. Westjohn · First published 2023Open the Tome
Paket Internationales ManagementKatja Gelbrich, Stefan Müller, Michael Kutschker, Stefan Schmid · First published 2011Open the Tome