BERKOV, Vladimir F. Principle of activity as a logical and methodological basis for social processes management. Journal of the Belarusian State University. Sociology, [S. l.], n. 4, p. 48–56, 2019. Disponível em: https://journals.bsu.by/index.php/sociology/article/view/1744. Acesso em: 18 jul. 2026.