Kishan, Hari. <br/><br/>
Co - Ordinate  geometry  of  two  dimensions 

 - 1st /   2006. 
 - Delhi:  Atlantic  Publishers  &  Distributors,  2006. 
 - 138p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mathematics, Geometry. 
<br/><br/><label>Dewey Class. No.: </label>516.16