SSuccessful devices in teaching algebraSuccessful devices in teaching algebrade Katharine E. O'BrienMateriasStudy and teachingAlgebraEdiciones (2)Successful devices in teaching algebra (1955)J. W. WalchSuccessful devices in teaching algebra. (1955)J. W. Walch · inglésMás obras de Katharine E. O'BrienSSequencesSequences1966SSuccessful devices in teaching geometrySuccessful devices in teaching geometryExcavation and other verseVer todas las obras de Katharine E. O'Brien →
