Derick, Unwin <br/><br/>
Aspects of educational technology: the proceedings of the programmed learning conference held at the Loughborough, 15-18 Aprill 1966 

 - London  Methuen and  Company Ltd.  1967 
 - vii,545p.  25cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmed instruction
<br/><br/><label>LC Class. No.: </label>LB1028.5.P727