Sen, S. N <br/><br/>
Elements of Civics  Part 1 

 - 7th ed. 
 - Kolkata  Bookland Pvt Ltd  1938 
 - xiv, 304  Hb 
<br/><br/> Scope and methods of phjysics 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>323.6