Bevli, Updesh Kaur <br/><br/>
Concept formation in children  Eco- cultural context 

 - New Delhi  Third world institute of social dynamics  1982 
 - viii, (4), 230  Hb 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>155.413