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Roger Fisher

Libro

Obtenga el sí
El arte de negociar sin ceder
Roger Fisher
Gestión 2000, 2011
9 Book

Beyond Reason
Using Emotions As You Negotiate
Roger Fisher and Daniel Shapiro
Penguin, 2006
9 Book

Getting to Yes
Negotiating Agreement Without Giving In
Roger Fisher et al.
Penguin, 1991