Khanna, M.L., <br/><br/>
Coordinate geometry 
Khanna, M.L., 
 - 13th ed. 
 - Meerut:  Jai Prakash Nath,  1984. 
 - 598p.:  20cm. 
<br/><br/><label>Subjects--Personal Names: </label><br/>COORDINATE GEOMETRY.
<br/><br/><label>Dewey Class. No.: </label>516.16  / KHA