Izvestiya of Saratov University. Philosophy. Psychology. Pedagogy. 2017, Vol. 17, iss. 4
Izvestiya of Saratov University. New Series. Series: Philosophy. Psychology. Pedagogy. V. 17 № 4
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Izvestiya of Saratov University. New Series. Series: Philosophy. Psychology. Pedagogy. V. 17 № 4