DUGGAL (B D) & WADHAWAN (K L). <br/><br/>
Conceptual physics. Ed.3 

 - 
 - Jalandhar  Vishal Publications  1983 
 - ii,220-63 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conceptual physics
<br/><br/><label>Dewey Class. No.: </label>530 DUGC