Vygodsky, M. <br/><br/>
Mattematical handbook: Elementary mathematics 

 - 21st Revised Edition 
 - Delhi  CBS Publishers  1971 
 - 422p. 
<br/><br/><label>ISBN: </label> RS 75.00 
<br/><br/><label>Source: </label> RS 75.00 
<br/><br/><label>Dewey Class. No.: </label>510 VYG