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Wirtschaft und Macht
Keilhau, Wilhelm, (1926)
Der Wandel von Wertvorstellungen in westlichen Industriegesellschaften
Herz, Thomas, (1979)
The change in business ideology
Schaefer, Norbert Victor, (1977)
On becoming a servant leader
Greenleaf, Robert K., (1996)
Creative, realistic leaders
Greenleaf, Robert K., (1978)
Servant leadership : a journey into the nature of legitimate power and greatness
Greenleaf, Robert K., (1977)