Don't say yes when you want to say no

Bibliographic Details
Main Author:	Fensterheim, Herbert 1921-2011
Other Authors:	Baer, Jean L. 1926-
Format:	Book
Language:	English
Published:	New York, N.Y. Dell Pub. c1975.
Edition:	New Dell ed.
Subjects:	Assertiveness training. Behavior modification.