Das R C <br/><br/>
Science teaching in schools/ 
by Das R C 
 - New Delhi:  Sterling,  1992. 
 - 264p. 
<br/><br/> Das R C 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science Teaching<br/>Sciences
<br/><br/><label>Dewey Class. No.: </label>507.1  / DAS/S