Cuthberson, Chris <br/><br/>
Cognitive development  design for science teaching /  [videorecording] : 
produced by Chris Cuthberson 
 - England :  An Open University Production,  1979 
 - 1 videocassette (U-matic) (25min.) :  sd. col. ;  3/4 in. 
<br/><br/> Copy available in DVD format 
<br/><br/>Narrator: Ann Floyd 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching