Learning and instruction. 

 - Oxford :  Pergamon Press,  1991. 
<br/><br/> UKM : v.1 (1991)- 
<br/><br/><label>ISSN: </label>0959-4752 
 = Learning and instruction. Learning and instruction. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Learning--Periodicals.