HANSEN, A. (2017). Children’s errors in mathematics. Learning Matters, Sage Publications.
Lua i Stíl Chicago (17ú heag.)HANSEN, Alice. Children’s Errors in Mathematics. Learning Matters, Sage Publications, 2017.
Lua MLA (9ú heag.)HANSEN, Alice. Children’s Errors in Mathematics. Learning Matters, Sage Publications, 2017.
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