Fry, Edward B. <br/><br/>
Teaching machines and programmed instruction  An introduction 

 - New York  McGraw Hill  1963 
 - viii,4,244  23.2cm 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>371.3944