Michaela SchweigerMichaela Schweiger, Katrin Mundt, Kathrin Peters, Annelie Pohlen · First published 2011Open the Tome
Kurs DaF A2Steve Bahn, Birgit Braun, Friederike Jin, Martina Nied Curcio, Nicole Schäfer, Kathrin Schweiger, Simone Weidinger · First published 2024Open the Tome
Kurs DaF A1Martina Nied Curcio, Kathrin Schweiger, Simone Weidinger, Helga Würtz, Friederike Jin · First published 2023Open the Tome
Serviceinnovationen in Industrieunternehmen Erfolgreich UmsetzenStefan Schweiger, Kathrin Dressel, Birgit Pfeiffer · First published 2011Open the Tome
