Original language | English |
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Pages | 168-175 |
Number of pages | 8 |
Publication status | Published - 1 Jan 1991 |
Event | Proc. of the 15th Conference of the International Group for the Psychology of Mathematics Education - Duration: 1 Jan 1991 → … |
Conference
Conference | Proc. of the 15th Conference of the International Group for the Psychology of Mathematics Education |
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Period | 1/01/91 → … |