GEOMETRY TEACHING IN ICELAND IN THE LATE 1800S AND THE VAN HIELE THEORY ...
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Format: | Text |
Language: | English |
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Unpublished
2009
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Online Access: | https://dx.doi.org/10.13140/2.1.4984.7041 http://rgdoi.net/10.13140/2.1.4984.7041 |
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