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PDF] The van Hiele Model of Thinking in Geometry among Adolescents. Journal for Research in Mathematics Education Monograph Number 3. | Semantic Scholar
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PDF) Pierre Marie van Hiele (1909–2010): “Lifelong mathematical thinking” | Nellie Verhoef - Academia.edu
1 Een leven lang wiskundig denken Pierre Marie van Hiele 4 mei 1909- 1 november 2010 Met een laatste hommage aan Pierre Marie va
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