Feasibility study of a regional system of tele-education for the countries of south america. 

 - Paris  U.N. educational Sciencific and cultural organizzation       1975 
 - 684p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>T9:31.1N45.N5t4, L5/UN