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Autor Ursini, Sonia |
Documentos disponibles escritos por este autor (1)



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Álvarez, Isabel ; Gómez Chacón, Inés María ; Ursini, Sonia | Eurasian Society of Educational Research | 2015Students' difficulty in learning and suitably understanding the concept of the algebraic variable has been studied with a number of tools and documented for several populations. Little research has been conducted, however, using the same tool to[...]