Vakil, Ravi <br/><br/>
Mathematical mosaic: patterns & problem solving/by Ravi Vakil 

 - Chennao  Westland Ltd  2009 
 - 286p. 
<br/><br/><label>ISBN: </label>9788189975555 
<br/><br/><label>Dewey Class. No.: </label>510  V223M