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Lua i Stíl Chicago (17ú heag.)English, Lyn D., María Bartolini Bussi, Graham A. Jones, Richard A. Lesh, Bharath Sriraman, agus Dina Tirosh. Handbook of International Research in Mathematics Education. 2a ed.
Lua MLA (8ú heag.)English, Lyn D., et al. Handbook of International Research in Mathematics Education. 2a ed.
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