Establishing an institution teaching by correspondence :  a study prepared for the International Reporting Service / 
by Renee F. Erdos 
 - Paris :  Unesco Press,  1975. 
 - 59p.:  ill. ;  21 cm. 
 - Experiments and innovations in Education ;  no17 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Dewey Class. No.: </label>PS 374.4 EXP