Perraton, Hilary <br/><br/>
Alternative Routes to Formal Education :  Distance Teaching for School Equivalency 

 - Baltimore, Estados Unidos de América :  The Johns Hopkins University Press,   1982 
 - 329p. 
<br/><br/><label>ISBN: </label>0-8018-2587-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educación Formal
<br/><br/><label>Dewey Class. No.: </label>370  / P454a