Spencer, Lyle M. <br/><br/>
Competence At Work : Models For Superior Performance. 

 -  John Wiley & Sons, Inc.  1993 
 - XII, 372 P. 24 CM. 
<br/><br/>KOPERASI KEDAI BUKU UNIVERSITI MALAYA 
<br/><br/><label>ISBN: </label>047154809X 
<br/><br/><label>Dewey Class. No.: </label>658.3125 SPE 1993