Villanueva, Perla M. <br/><br/>
Competence in Communication Part 1 

 -  JMC Press, Inc.  2000 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9711110407 
<br/><br/><label>Dewey Class. No.: </label>418 V71 P1 c2 2000