D'aprix , Roger <br/><br/>
Communicating for productivity 
Roger D'aprix  
 - London   Harper and Row publishers  1982 
<br/><br/><label>ISBN: </label>0-06-041547-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication
<br/><br/><label>LC Class. No.: </label>FASS P 90 .D36