M. V. Smirnova
St. Petersburg Conservatory named after N.A. Rimsky-Korsakov
Russian Federation

Marina V. Smirnova – Doctor of Art History, Professor of the Department of General Course and Methods of Teaching Piano

3A, Theater Square, St. Petersburg

M. V. Yeroma
Herzen State Pedagogical University of Russia
Russian Federation

Marina V. Yeroma – Postgraduate Student of the Department of Theory and History of Pedagogy, Institute of Pedagogy

48 Moyka Embankment, St. Petersburg

I. B. Trofimova
Herzen State Pedagogical University of Russia
Russian Federation

Irina B. Trofimova – Postgraduate Student of the Department of Economic Theory and Economic Education, Institute of Economics and Management 

48 Moyka Embankment, St. Petersburg

M. V. Zinchenko
Herzen State Pedagogical University of Russia
Russian Federation

Maria V. Zinchenko – Postgraduate Student of the Department of Economic Theory and Economic Education, Institute of Economics and Management 

48 Moyka Embankment, St. Petersburg