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Van Hiele levels as seen from a phenomenographic point of view
2001Kaper, W.H., Goedhart, M.J.
openaire +1 more source
The van Hiele Levels of Geometric Thought Among Deaf Undergraduate Students
2011openaire +1 more source
A Characterization of Van Hiele’s Level 5 of Geometric Reasoning Using the Delphi Methodology
International Journal of Science and Mathematics EducationVíctor Manero, Alberto Arnal-Bailera
exaly

