KOTPAL, R.L. <br/><br/>
MODERN TEXTBOOK OF 

 - 1st Ed. 
 - Meerut  Rastogi Publications, Meerut   2009 
<br/><br/><label>ISBN: </label>8171338917 
<br/><br/><label>Dewey Class. No.: </label>596  / KOT/M