Loney; S.L. <br/><br/>
The elements of coordinate geometry  English 

 - Delhi  Surjeet publications  1989 
 - 416,XIIpg 
 - Cartesian coordinates  Part -I .
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>516.16 L848E