Pfeiffer, J Williwam. <br/><br/>
Grup Activities:  The Complete Training Encyclopedia 
J William Pfeiffer 
 - India :  BPI (India) Pvt. Ltd,  c2002. 
 - viii, 431 p.: 
<br/><br/><label>ISBN: </label>8186757023 
<br/><br/><label>Dewey Class. No.: </label>658.402  / PFE/THE