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Robert Heller
Author · 13 books
Books
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Achieving Excellence
Robert Heller
,
John P. Eaton
,
Roy Johnson
,
Adele Hayward
Dealing with People
Robert Heller
DK Essential Managers
Robert Heller
DK Essential Managers
Robert Heller
,
Tim Hindle
DK Essential Managers: Communicate Clearly
Robert Heller
Erfolgreiche Teamführung
Robert Heller
Essential Manager's Manual
Robert Heller
,
Tim Hindle
Essential Manager's Manual: Vol 1 (Essential Managers)
Robert Heller
,
Tim Hindle
How to Delegate
Robert Heller
Learning to Lead
Robert Heller