Shulzhenko, Dina, and Khristina Sayko. “Psychological Characteristics of Remedial Teachers of Different Altruism Levels”. Journal of Education Culture and Society 6, no. 2 (January 1, 2020): 93–101. Accessed May 4, 2024. https://ogrodynauk.pl/index.php/jecs/article/view/630.