Eicher Jean-Claude. <br/><br/>
The economics of new educational media:  cost and effectiveness overview and synthesis / 
Eicher Jean-Claude. 
 - Paris:  The Unesco press;  1982. 
 - 150 p. 
 - The economics of new educational media.  vol. 3: cost and effectivenss overview and synthesis. .
<br/><br/> Includes references. 
<br/><br/><label>ISBN: </label>923101997X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.