Sharma, G.C. <br/><br/>
Coordinate Geometry (2-D and -D) 

 - 1st ed. 
 - New Delhi  Galgotia Publications Pvt. Ltd  2003 
 - 688p. 
<br/><br/><label>ISBN: </label>8175154349 
<br/><br/><label>Dewey Class. No.: </label>516.16  / SHA/COO