Bagchi, H D . Co-ordinate Geometry / Textual Documents H D Bagchi & B N Mukherjee. - 6th Edn / - Calcutta : U.N.Dhur & Sons PVT.LTD , 1946. - 240p. ; 15cm.. Subjects--Index Terms: Co-ordinate Geometry G-Co-ordinate Geometry Dewey Class. No.: 516.51 / B 916 C