Individualizing instruction / 
by the Yearbook Committee and Associated Contributors ; edit. by Nelson B. Henry. 
 - Chicago, EUA :  NSSE,  1962. 
 - xiii, 337 p. 
 - Yearbook of the National Society for the Study of Education ;  61, pt.1 .
<br/><br/><label>Encabezamiento--Tema: </label><br/>Enseñanza individualizada