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1611
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1612
The construction of a mathematics teaching machine and its use in programmed learning
Gepubliceerd in 1971Thesis -
1613
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1614
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1615
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1616
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1617
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1618
Analysis of pupil performance in a teacher-made mathematics problem-solving test
Gepubliceerd in 1971Thesis -
1619
Moves and strategies in a principle venture in secondary school mathematics
Gepubliceerd in 1971Visual Material -
1620


