Silva, Jose,  1914-, <br/><br/>
Sales power :  the Silva mind method for sales professionals / 
Jose'Silva and Ed Bernd Jnr. 
 - 252 pages ;  22 cm. 
<br/><br/><label>ISBN: </label>0749911999  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Selling--Psychological aspects.<br/>Success in business--Psychological aspects.