Booher, The voice of authority.
Booher, The voice of authority.
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Booher, Dianna Daniels: The voice of authority. 10 communication strategies every leader needs to know. New York [u.a.]: McGraw-Hill, 2007. 21 cm, VI, 212 S. Ill., graph. Darst. HLdr., SU. SU. mit leichteren Gebrauchsspuren. Leichte Gebrauchsspuren. Business.
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 Booher, The voice of authority. |