Rao, S. Narayana <br/><br/>
Concept acquisition and school achievement in relation to social disadvantage / 
S. Narayana Rao 
 - Tirupati :  Sri Venkateswara University,  1990 
 - 123 p. ;  21 cm. 
<br/><br/>Bibliography : p. 120-123 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children with social disabilities--Education<br/>Educational equalization
<br/><br/><label>Dewey Class. No.: </label>371.826942