KALENDA, Česlovas. On the Forming of Methodological Fundamentals of Marxist Ethics. Problemos, [S. l.], v. 24, p. 5–10, 1979. DOI: 10.15388/Problemos.1979.24.6254. Disponível em: https://www.zurnalai.vu.lt/problemos/article/view/6254. Acesso em: 16 nov. 2025.