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Subject / Keyword
- 11Mathematical ability--Testing
- 6Anxiety--Testing
- 5Conservation of substance (Psychology)
- 3Mathematics--Study and teaching (Secondary)
- 2Arithmetic--Study and teaching (Primary)
- 2Problem solving
Author / Creator / Contributor
- 2Blackall, Bettina Mary.
- 1Ballantine, Eleanor M.
- 1Cathcart, W. George.
- 1Everall, Robin Donne.
- 1Grannum, Cedric P.
- 1Hobbs, Edward Desmond.
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