THE ECONOMICS of new educational media:present status of research and trends 

 - Paris  UNESCO  1977 
 - 200 p.- 
 - Educational methods and technigues .
<br/><br/> Includes glossary 
<br/><br/><label>ISBN: </label>9231014234 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching
<br/><br/><label>Dewey Class. No.: </label>371.3  / ECO