Silverstein, Brett, <br/><br/>
The Cost of Competence : 

 -  Oxford University Press, USA,  1995. 
 - 225 pages 
<br/><br/><label>ISBN: </label>9780195069860 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Health & Fitness.
<br/><br/><label>Dewey Class. No.: </label>155.63  / SIL