LOZURAITIS, Albinas. Cognition as Free Activity (I). Problemos, [S. l.], v. 9, p. 14–25, 1972. DOI: 10.15388/Problemos.1972.09.5849. Disponível em: https://www.zurnalai.vu.lt/problemos/article/view/5849. Acesso em: 13 nov. 2025.