Denial Ruthman <br/><br/>
Rahsia kejayaan di tangan anda / 
Denial Ruthman 
 - Kuala Lumpur :  Penerbit Seribu Dinar,  [n.d] 
 - 112 p. ;  23cm. 
<br/><br/><label>ISBN: </label>9832284813  RM11.70 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motivation (Psychology)<br/>Success<br/>Achievement motivation