Phillips P P <br/><br/>
Understanding the basics of: return on investment in tranning assessing the tangible and intangible benefits 
Phillips P P 
 - United  United, States CEP  2004 
 - 96p 
<br/><br/><label>ISBN: </label>0-7494-4523-8 
<br/><br/><label>Source: </label>Textbook