National Council of Educational Research and Training <br/><br/>
General science : handbook of activities classes VI-VIII/ 
NCERT 
 - New Delhi:  NCERT,  1964 
 - iv, 458p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General Science-Handbook Manual
<br/><br/><label>Dewey Class. No.: </label>502 NAT-G