Project Managers Portable Handbook
David I. Cleland & Lewis R. Ireland
PMP Project Management Professional Practice Tests
Kim Heldman & Vanina Mangano
How to Write a Business Plan
WikiJob
Agile Business: A Leader’s Guide to Harnessing Complexity
Bob Gower & Rally Software
29 Questions to Get You on the Road to Rapid Continuous Improvement
Rebecca Millard
Social Research Methods: Qualitative and Quantitative Approaches
William Lawrence Neuman