PRESENT INFORMATION WITH OVERHEAD AND OPAQUE MATERIALS: MODULE C-23 

 - 2ND ED. 
 - 52 
<br/><br/><label>ISBN: </label>0896060926 
<br/><br/><label>LCCN: </label>110230 
<br/><br/><label>Subjects--Topical Terms: </label><br/>METODOS