516.16 LONEY, S . L . (THE) ELEMENTS OF CO-ORDINATE GEOMETRY / / S . L . LONEY. - CALCUTTA: : MACMILLAN INDIA,, 1983. VOLS.. Content notes : P.1: CARTESIAN CO-ORDINATION. ix , 416 , xiii P. P.2: TRI LINEAR CO-ORDINATE. 228 P. : 18/- * GEOMETRY - C0-ORDINATE.