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… Törner, G. (2002). Mathematical beliefs - a search for a common ground. En G. C. Leder, E. Pehkonen, y G. Törner …
… (27-28), 119-138. Edwards, D. y Mercer, N. (1987). Common Knowledge: The development of un- derstanding in the …
… 61(1-2), 103-131. Edwards, D. y Mercer, N. (1987). Common knowledge: The development of un- derstanding in the …