D Klus-Stanska
University of Gdańsk
Poland

Dorota Klus-Stanska – Professor, Dr. hab., Department for the Study of Childhood and School, Institute of Pedagogy. 

Address: 80.309, Jan Bażyński Str., 8, Gdańsk

A. A. Polonnikov
Belarusian State University
Belarus

Alexander A. Polonnikov – Cand. Sci. (Psychology), Assoc. Prof., Center for the Development of Education Problems. 

Address: 15-725, Moskovskaya Str., Minsk, 220050