Kalra, R M <br/><br/>
Innovations in science teaching / 
by R M Kalra 
 - New Delhi :  Oxford & IBH Pub. Co.,  1976. 
 - xvi, 152p. :  ill. ; 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [149]-150. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--India<br/>Science
<br/><br/><label>Dewey Class. No.: </label>507.1254  / KAL.I