Podartha  Bigyan ( Vol - 2 ) 

 - 1st /   2011. 
 - Ghy:  Assam  Educational  Council,  2011. 
 - 281p. 
<br/><br/><label>Subjects--Personal Names: </label><br/> Physics, Physics,  Physics. 
<br/><br/><label>Dewey Class. No.: </label>530