A text Book On Co-ordinate Geometry For Pre-Engineering T.D.C I & II Classes 
by Panjab University 
 - 2nd Ed.   Rep. 
 - Chandigarh:  Publication Bureau,  1971. 
 - 170p.:  20cm. 
<br/><br/><label>Subjects--Index Terms: </label>Arithmetic,Mathematics 
<br/><br/><label>Dewey Class. No.: </label>513