Tyra, M <br/><br/>
Magical book on quicker maths / 
by M.Tyra  
 - 3rd ed.  reprinted, 2011 
 - Delhi :  BSC Publishing Co. Pvt. Ltd.,  2000. 
 - xv, 807p. 
<br/><br/><label>ISBN: </label>9788190458924 
<br/><br/><label>Dewey Class. No.: </label>B  / P0