Vaidya, Narendera <br/><br/>
How children discover knowledge  Theoretical and practical foundations of student investigations in science 

 - New Delhi  Oxford & IBH Publishing Company  1974 
 - xvi,315  Hb  21.8 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>375.5