De Cecco, John P. <br/><br/>
Educational technology;  readings in programmed instruction. 

 - New York,  Holt, Rinehart and Winston  [1964] 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology.
<br/><br/><label>LC Class. No.: </label>LB 1028.5 DEC 1964