Heller, Robert. <br/><br/>
Communicate clearly / 
Robert Heller. 
 - London :  Dorling Kindersley,  1998. 
 - 72 p. 
<br/><br/><label>ISBN: </label>0751306304 :  KES 500 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication.
<br/><br/><label>LC Class. No.: </label>P91.3  / .H35 1998