SSuccessful devices in teaching geometrySuccessful devices in teaching geometryde Katharine E. O'BrienMateriasGeometryStudy and teachingArtPhilosophyEdiciones (1)Successful devices in teaching geometry. (1955)J. W. Walch · inglés, alemánMás obras de Katharine E. O'BrienSSequencesSequences1966SSuccessful devices in teaching algebraSuccessful devices in teaching algebraExcavation and other verseVer todas las obras de Katharine E. O'Brien →