Ponte, J. P. (1992). Mathematical problem solving and new information technologies: Research in contexts of practice. Springer-Verlag.
Chicago-viite (17. p.)Ponte, Joao Pedro. Mathematical Problem Solving and New Information Technologies: Research in Contexts of Practice. Berlin: Springer-Verlag, 1992.
MLA-viite (9. p.)Ponte, Joao Pedro. Mathematical Problem Solving and New Information Technologies: Research in Contexts of Practice. Springer-Verlag, 1992.
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