Fry, Edward <br/><br/>
Teaching machines and programmed instruction 

 - New York  Mcgraw-Hill Book Company  1963 
 - 244p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>T:3OD66
<br/><br/><label>Dewey Class. No.: </label>T:3OD66  / J3