Qualitative Research: A Guide to Design and Implementation
Sharan B. Merriam & Elizabeth J. Tisdell
Agile Practice Guide
Project Management Institute
Strategic Management: Process, Content, and Implementation
Hugh Macmillan & Mahen Tampoe
The Book of Five Rings
Miyamoto Musashi
Overview of the PMBOK® Guide: Short Cuts for PMP® Certification
Deasún Ó Conchúir
Profiles in Leadership: Historians on the Elusive Quality of ...
Walter Isaacson
Quantitative und qualitative empirische Forschung: Ein Diskussionsbeitrag
Siegfried Schumann