Tripathi, M M <br/><br/>
Coordinate Geometry: Polar Coordinates Approach 
M.M. Tripathi 
 - New Delhi  Norosa  2005 
<br/><br/><label>ISBN: </label>978-1842652251  99.00 
<br/><br/><label>Dewey Class. No.: </label>516.16  / T835