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Title: Shifting sands : students' understanding of the roles of variables in 'A' level mathematics.
Author: Bills, Liz.
Awarding Body: Open University
Current Institution: Open University
Date of Award: 1996
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No abstract available
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: Algebra