Abstract
References
1.
1.
Frank MO
. How to Get Your Point Across in 30 Seconds or Less . New York : Pocket Books , 1986 .
2.
2.
Fisher R
,
Ury W
. Getting to Yes: Negotiating Agreement Without Giving In . New York : Penguin Books , 1983 .
3.
3.
Cohen H
. You Can Negotiate Anything: How To Get What You Want . Syracuse : Citadel Press , 1980 .