Tatiana V. Mayasova, Oksana V. Kolesova, Nadezda N. Demeneva, Elena G. Gutsu, Elena V. Kochetova,, Minin Nizhny Novgorod State Pedagogical University
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Opción Vol. 34 (2018): Edición Especial Nro. 15 - Artículos
Implementation of competency approach in teaching mathematics to primary school children
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