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A Guide to the Project Management Body of Knowledge
Project Management Institute, Inc.
The Project Management Handbook: Simplified Agile, Scrum and ...
Erik D Gross & Jack C Stanley
Qualitative Inhaltsanalyse: Grundlagen und Techniken
Philipp Mayring
The SEWA Project Management Model
Dr Rashid Alleem
God and the Multiverse: Humanity's Expanding View of the Cosmos
Victor J. Stenger