Ballabh,Ram  <br/><br/>
A Text-Book Of Co-Ordinate Geometry  
by Ram Ballabh 
 - Agra   Prakashan Kendra   1969 
 - 356p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics 
<br/><br/><label>Dewey Class. No.: </label>510  / BAL