Uitgaven door Brad Humphrey

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Cover for Brad Humphrey · The 21st Century Supervisor: Nine Essential Skills for Frontline Leaders (Paperback Book) (1999)

The 21st Century Supervisor: Nin... (1999)

Cover for Brad Humphrey · TeamGuides: A Self-Directed System for Teams (Paperback Book) (1997)

TeamGuides: A Self-Directed Syst... (1997)