Khanna D R <br/><br/>
Collage practical physics 
Khanna D R; Gulati H R 
 -  1973 
<br/><br/><label>Standard No.: </label>117981 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHYSICS