Moss, Geoffrey. <br/><br/>
The Trainer'S Desk Reference : Tips, Cheeklist & 

 -  Kogan Page  1993 
 - 149 P. 24 CM. 
<br/><br/><label>ISBN: </label>749410590 
<br/><br/><label>Dewey Class. No.: </label>658.312404 MOS 1993