Kotter, John P., 1947-
The leadership factor
The Free Press, 1988
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Pless, Nicola M.
Responsible leadership
Springer-Science, 2011
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Kotter, John P., 1947-
A force for change : how leadership differs from management
The Free Press, 1990
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Burns, James McGregor
Leadership
Harper and Row, 1978
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Barrett, Deborah J.
Leadership communication
McGraw-Hill , 2006
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