References
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- Daniels , H. 2005 . An introduction to Vygotsky , London : Routledge .
- Daniels , H. 2008 . Vygotsky and research , London : Routledge .
- Vygotsky, L.S. 1983. Sobraniye Sochinenii [Collected works]. Vol. 5. Moscow: Pedagogika Publisher.
- Vygotsky , L.S. 1995 . Problemy Defectologii [Problems of defectology] , Moscow : Prosvecshenie Press .