Khanna M L Co-ordinate geometry - London Jai-Prakash Nath 1961 - P- 560 XII 20 CM Subjects--Topical Terms: GeometryCoordinate SystemsFROM EMERSON TO THOREAU, THE ACTUAL GLORY, THE METAPHYSICAL STRAIN, HAWTHORNE, Dewey Class. No.: 516.16 / KHA-C