Research Design: Qualitative, Quantitative, and Mixed Methods ...
John W. Creswell
Methoden-Baukasten für ganzheitliches Prozessmanagement: Systematische ...
Hartmut F. Binner
Effective Project Management: Traditional, Adaptive, Extreme
Robert K. Wysocki
The Negativity Fast: Proven Techniques to Increase Positivity, ...
Anthony Iannarino
Marketing
Gianfranco Walsh & Alexander Deseniss & Thomas Kilian
Digitalisierung und Bildung
Silke Ladel & Julia Knopf & Armin Weinberger