Dignen, Bob <br/><br/>
Fifty ways to improve your presentation skills in english  without too much effort 

 - Summertown Publishing, (s.l.)  2007 
 - xii,145 
<br/><br/><label>ISBN: </label>978-1-902741-86-4 
<br/><br/><label>Dewey Class. No.: </label>428.24 Dig