Hayman, John L. <br/><br/>
Investigacion y educacion 
John L. Hayman ; [version castellana de Eduardo J. Prieto.] 
 - 1a ed. 
 - Buenos Aires  Editorial Paidos  1969. 
 - 194 p.  ill.  19 cm. 
 - Biblioteca del educador contemporáneo.  vol. 105 .
<br/><br/> Translation of Research in education. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research.