Pimm, D. (1995). Symbols and meanings in school mathematics. London: Ruotledge.
Trích dẫn kiểu ChicagoPimm, David. Symbols and Meanings in School Mathematics. London: Ruotledge, 1995.
MLA citiranjePimm, David. Symbols and Meanings in School Mathematics. London: Ruotledge, 1995.
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