Asserting yourself : A pratical guide for positive change 
Bower, Sharon Anthony. 
 -  Addison-Wesley Publishing Company.  1991 
 - xii,244 pages. 
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<br/><br/><label>ISBN: </label>0-201-57088-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Assertiveness (psychology)
<br/><br/><label>Dewey Class. No.: </label>158.1 B68a 1991