Thacker J W <br/><br/>
Effective training: System, strategies and practice 
Thacker J W; Balanchard P N 
 - New Jersey  New Jersey, Prentice-Hall  1998 
 - 433p 
<br/><br/><label>ISBN: </label>0-13-268160-9 
<br/><br/><label>Source: </label>Textbook