books.google.co.nz - "Since it was first published in 1981 Getting to Yes has become a central book in the Business Canon: the key text on the psychology of negotiation. Its message of "principled negotiations"--Finding acceptable compromise by determining which needs are fixed and which are flexible for negotiating parties--has...https://books.google.co.nz/books/about/Getting_to_Yes.html?id=sjH3emOkC1MC&utm_source=gb-gplus-shareGetting to Yes
