ROY M.BERKO <br/><br/>
Communicating  :  Asocial and career focus / 
ROY M.BERKO 
 - USA :  Houghton Mifflin Comp.any . All rights reserved ,  [s.d.] 
 - 463page ،  26cm. 
<br/><br/><label>ISBN: </label>9780618693870 
<br/><br/><label>Subjects--Index Terms: </label>Communicating 
<br/><br/><label>Dewey Class. No.: </label>302.2