Erdos, Renee F. <br/><br/>
Establishing an institution teaching by correspondence /  
by Renee F. Erdos. 
 - Paris :    Unesco Press,    1975. 
 - 59 p. ;    23 cm. 
 - Experiments and innovations in education ;    17 .
<br/><br/><label>ISBN: </label>9231013076 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Correspondence schools and courses.
<br/><br/><label>Dewey Class. No.: </label>PS 374.4 EXP