Qualitative Research: A Guide to Design and Implementation
Sharan B. Merriam & Elizabeth J. Tisdell
The Standard for Organizational Project Management (OPM)
Project Management Institute
The Project Management Handbook: Simplified Agile, Scrum and ...
Erik D Gross & Jack C Stanley
Communications Skills for Project Managers
G. Michael Campbell
Towards Non-Dominating Leadership: Aims and Methods of the Lumko ...
F. Lobinger
Head First PMP: A Learner's Companion to Passing the Project ...
Jennifer Greene & Andrew Stellman