Sjoberg, C. <br/><br/>
The value of external direction and individual discovery in learning situations :  the learning of a grammatical rule / 
[by] C. Sjoberg and B. Trope. 
 - Malmo :  Dept. of Educational & Psychological Research, School of Education,  1968. 
 - Didakometry ;  no. 18 .
<br/><br/>Bibliographical references: p. [10]. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Learning, Psychology of.<br/>Language and languages -- Study and teaching.--Language and languages -- Study and teaching.