Sarramona, Jaime, <br/><br/>
La enseñanza a distancia 
Jaime Sarramona. 
 - Barcelona  Ediciones Ceac  1975. 
 - 215 p.  ill. 
<br/><br/>Bibliography: p. [209]-215. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Correspondence schools and courses<br/>Educational technology
<br/><br/><label>LC Class. No.: </label>LC5915  / .S27