The Theory and Practice of Change Management 6th Ediition
John Hayes
Risikomanagement Im Leasing
Christian Glaser
The Big Picture People's Connections Framework
The Big Picture People
Marketing
Gianfranco Walsh & Alexander Deseniss & Thomas Kilian
The Scrum Guide
Ken Schwaber
Conceptions of Leadership: Enduring Ideas and Emerging Insights
George R. Goethals & Scott T. Allison & Roderick M. Kramer & David M. Messick