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Some of the next articles are maybe not open access.

The van Hiele theory through the discursive lens

2011
openaire   +1 more source

The van Hiele Theory

2018
exaly  

DETERMINING THE VAN HIELE LEVELS' OF ELEMENTARY TEACHERS

2016
openaire   +1 more source
4. education
van hiele theory
geometry
education general
modelo van hiele
modelo de van hiele
education
geometrical thinking
mathematics
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