The Book of Leadership
Anthony Gell
PMP: Project Management Professional Exam Review Guide
Brett Feddersen & Kim Heldman & Vanina Mangano
Improving Employee Engagement
BusinessManagement Daily
PMP® in Depth: Project Management Professional Certification ...
Paul Sanghera
Project Management Next Generation: The Pillars for Organizational ...
Harold Kerzner & Al Zeitoun & Ricardo Viana Vargas
LEAN Production – Easy and Comprehensive: A Practical Guide ...
Roman Hänggi & André Fimpel & Roland Siegenthaler