The Sewa Project Management Model
Dr.Rashid Alleem
A Guide to the Project Management Body of Knowledge
Project Management Institute, Inc.
Lean Management for Beginners
Maximilian Tündermann
Interviewing as Qualitative Research: A Guide for Researchers ...
Irving Seidman
Psychologie Und Nachhaltigkeit
Claudia Thea Schmitt & Eva Bamberg
Pass the PMP® Exam
Sean Whitaker