De Cecco, John P. <br/><br/>
Educational technology :  Readings in programmed instruction / 
John P. De Cecco. 
 - New York :  Holt, Rinehart and Winston,  [1964]. 
 - xiv, 479 p. :  ill. ;  21 cm. 
<br/><br/>Includes bibliogr. references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology
<br/><br/><label>Dewey Class. No.: </label>371.3944082