Brooker, FLoyde.E Corey,Stephen M Henry,Nelson.B, ed National Society for the Study of Education, CHicago USA <br/><br/>
Audio -Visual materials of instruction, Part I  Forty-Eighth yearbook of the National society for the study of education: Part-I / Floyde E.Brooker, Stephen M Corey 

 - Chicago  NSSE  1949 
 - x, 315p. 
 - NSSE Yearbook .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Teaching - Audio-Visual<br/>Teaching Aids