Contextual Analysis of Proofs Without Words Skills of Pre-service Secondary Mathematics Teachers: Sum of Integers from 1 to n Case
2018 ◽
Vol 14
(10)
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2019 ◽
Vol 93
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pp. 153-167
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2017 ◽
Vol 56
(1)
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pp. 19-39
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2018 ◽
Vol 11
(4)
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pp. 258-274
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