William Ury
How We Survive (and Thrive) in an Age of Conflict
Roger Fisher u. a.
Die unschlagbare Methode für beste Verhandlungsergebnisse
Der Einstieg ins Harvard-Konzept
And Other Worthy Opponents
Negotiating in Difficult Situations
How to Say No and Still Get to Yes
Roger Fisher et al.
Negotiating Agreement Without Giving In
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