JURKŪNAITĖ, Gema. Methodological Problems of the Theory of Values. Problemos, [S. l.], v. 23, p. 118–119, 1979. DOI: 10.15388/Problemos.1979.23.6252. Disponível em: https://journals.vu.lt./problemos/article/view/6252. Acesso em: 26 apr. 2025.