Gupta ,Sharwan Kumar  <br/><br/>
Teaching physical sciences in secondary schools 
Sharwan Kumar Gupta 
 - New Delhi  Sterling Publishers  1989 
 -  vii, 232p. 
<br/><br/> Includes index 
<br/><br/><br/>eng. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science-Study and teaching<br/>Science education
<br/><br/><label>Dewey Class. No.: </label>507  / SHT