Faktencheck Energiewende
Thomas Unnerstall
Strategic Project Portfolio Management: Enabling a Productive ...
Simon Moore
Product Lifecycle Management: 21st Century Paradigm for Product ...
John Stark
PMP® Question Bank - 400 PMP®P Exam Sample Questions
M. Fahad Usmani
Marketing
Gianfranco Walsh & Alexander Deseniss & Thomas Kilian
Die Malik ManagementSysteme - Grundlagen und Anwendung
Fredmund Malik