Billingham, Jo. <br/><br/>
One step ahead.  giving presentations / 

 - NA 
 - New Delhi,   Oxfort University Press,  c2008. 
 - 144 p. ;  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>019566941x 
<br/><br/><label>Dewey Class. No.: </label>808.51