Cognitive psychology and instruction :  [proceedings of the NATO Internat. Conference on Cognitive Psychology and Instruction held at the Free Univ. of Amsterdam, June 13-17, 1977] / 
ed. by Alan M. Lesgold ... [et al.]. 
 - New York :  Plenum Press,   1978. 
 - xiv, 525 p. 
 - 	NATO : NATO conference series. .
<br/><br/>Includes bibliogr. references. 
<br/><br/><label>ISBN: </label>0306328860  9780306328862 
<br/><br/><label>Subjects--Index Terms: </label>ფსიქოლოგია 
<br/><br/><label>Universal Decimal Class. No.: </label>159.9