Browsing by Author Vosniadou, St.

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Teachers’ attitudes to and beliefs about web-based Collaborative Learning Environments in the context of an international implementationKollias, V.; Mamalougos, N.; Vamvakoussi, X.; Lakkala, M.; Vosniadou, St.24-Nov-2015-
Understanding the structure of the set of rational numbers: a conceptual change approachVamvakoussi, X.; Vosniadou, St.24-Nov-2015-