Bagghi , H.D. . Coordinate Geometry / Textual Documents H.D.Bagghi & B.N.Mukherjee. - 2nd ed. / - Calcutta : U. N. Dhur & Sons Pvt. Ltd. , 1946. - 238p. : ill ; 19cm . Subjects--Index Terms: Coordinate Geometry G-Mathematics Dewey Class. No.: 516.51 / B 516 C