National council of education research and training <br/><br/>
Physics : Science for middle schools, Part 1 

 - New Delhi :  Sri Aurobindo Marg,  1967. 
 - vi,107p.;  ill.;  24cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science<br/>Physics
<br/><br/><label>Dewey Class. No.: </label>507  / PHY