Willis, Liz. <br/><br/>
The Assertive Trainer : A Practical Handbook On 

 -  Mcgraw-Hill  1995 
 - XVI, 152 P. ; 24 CM. 
<br/><br/> MCGRAW-HILL TRAINING SERIES 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>77090772 
<br/><br/><label>Dewey Class. No.: </label>658.31244 WIL 1995