Aspects of educational technology :  the proceedings of the Programmed Learning Conference 

 - London :  Methuen,  1966- 
 - v. :  ill. ;  24 cm. 
<br/><br/> Library has vol-1,vol-2,vol-4,vol-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology--Congresses<br/>Programmed instruction--Congresses
<br/><br/><label>Dewey Class. No.: </label>371.3944