Philosophical redirection of educational research / 
by the Yearbook Committee and Associated Contributors ; edit. by Lawrence C. Thomas. 
 - Chicago, EUA :  NSSE,  1972. 
 - viii, 374 p. 
 - Yearbook of the National Society for the Study of Education ;  75, t.1 .
<br/><br/><label>Encabezamiento--Tema: </label><br/>Educación--Investigación