Business Process Management: Concepts, Languages, Architectures
Mathias Weske
CRM-Leitfaden für Einsteiger: Mit Customer Relationship Management-Techno[..] ...
Salesforce
PMP® Exam Prep - PMP® PMBOK® Audio Crash Course Study Guide ...
Ralph Cybulski
Google Search Operators
MakeUseOf
Statistical Quality Control Methods
Irving W. Burr
The Theory and Practice of Change Management 4th Edition
John Hayes