90 minutes to killer presentation skills 

 - 2nd ed. 
 - Pannsyvania  Public Speaking Skills.com 
 -  90m. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business presentation<br/>Management<br/>Executive Management<br/>Communication<br/>Presentation
<br/><br/><label>Dewey Class. No.: </label>658.452  / NIN