Trikha, R. K. <br/><br/>
Chemistry for class IX /  
RR.K. Trikha. 
 - Delhi :    Tata McGraw0Hill Publication Ltd.,    1981. 
 - 196 p. ;    21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Chemistry.
<br/><br/><label>Dewey Class. No.: </label>540