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Barbel Schwertfeger
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Die Bluff-gesellschaft
Barbel Schwertfeger · Wiley-VCH
276 sayfa · 2003
Kritik / Deception / Business education / Success in business / Karriere
Die Körpersprache der Bosse
Bärbel Schwertfeger, Norbert Lewandowski · Econ-Verlag
259 sayfa · 1990
Body language / Organizational behavior / Communication in management