Tripathi, Mukut Mani. Coordinate geometry polar coordinates approach / [Book] : Mukut Mani Tripathi. - Delhi : Narosa Pub. House, c2005. - xi, 149 p. : ill. ; 25 cm. Includes index. All. ISBN: 8173196346 Subjects--Topical Terms: Geometry, Analytic.Coordinates. Dewey Class. No.: 516