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Title: Is the graphic calculator a useful mediating tool for students in the early stages of forming a concept of a variable?
Author: Gage, Jennifer Anne.
Awarding Body: Open University ;
Current Institution: Open University
Date of Award: 2005
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Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available