RADŽVILAS, V. Psychological approach to the activity of man. Psichologija, [S. l.], v. 3, p. 76–86, 1982. DOI: 10.15388/Psichol.1982.3.9148. Disponível em: https://www.journals.vu.lt/psichologija/article/view/9148.. Acesso em: 6 may. 2024.