Books like Sí.......de acuerdo!
More by Roger Drummer Fisher
Getting to yes1981
Difficult Conversations1999
Como Chegar Ao Sim2010
Beyond Reason2005
getting to yes: negotiating an agreement without giving in. roger fisher and william ury2012
Obtenga el sí2011- International mediation, a working guideInternational mediation, a working guide1978
Getting it done1998
Getting ready to negotiate1995
Beyond Machiavelli1994
Getting together1988
Das Harvard-Konzept2004