Tewani, Ghanshyam <br/><br/>
Mathematics in 30 Days :  for engineering entrance examination / 
Ghanshyam Tewani 
 - India,  Cengagge Learning,  2012. 
 - xiii, Invp ;  Paperback, 
<br/><br/><label>ISBN: </label>9788131516492 
<br/><br/><label>Dewey Class. No.: </label>510  / TEW