Fisher, Roger.
Getting to yes : negotiating agreement without giving in / Roger Fisher & William Ury, with Bruce Patton, editor. - 2nd ed. - New York : Penguin Books, 1991. - xix, 200 p. ; 20 cm.
9780140157352
Negotiation.
Getting to yes : negotiating agreement without giving in / Roger Fisher & William Ury, with Bruce Patton, editor. - 2nd ed. - New York : Penguin Books, 1991. - xix, 200 p. ; 20 cm.
9780140157352
Negotiation.