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jan 1, 1964 - Surge la Teoria de la Contingencia El autor más significativo de la teoría de la contingencia fue Fred Fiedler " teoría de la efectividad del liderazgo" Fred Fiedle(1922-2017)psicólogo

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Byalexandra puentes
30 Sep 2019
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Date:

jan 1, 1964
Now
~ 61 years ago

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