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| 1. |
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Beliefs: A Hidden Variable in Mathematics Education?
G C Leder, Erkki Pehkonen, Gunter Torner
E-bok. Springer Netherlands, USA, 2005.
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| 2. |
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Views and Beliefs in Mathematics Education
Benjamin Rott, Gunter Torner, Joyce Peters-Dasdemir, Anne Moller, Safrudiannur
E-bok. Springer International Publishing, Schweiz, 2018.
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| 3. |
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Examining the Phenomenon of "e;Teaching Out-of-field"e;
Linda Hobbs, Gunter Torner
E-bok. Springer Nature Singapore, Singapore, 2019.
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