Developments in Mathematical Education
George Pólya, Jean Piaget, Sir James Lighthill, Hans Freudenthal, David Hawkins, Edmund Leach, Hugh Philp, S. L. Sobolev, René Thom, Edith Biggs, E. Fischbein, Anthony J. Malpas, Bruce E. Meserve, J. B. Morgan, Toshio Shibata, Mary Sime, Hassler Whitney
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