STAMATIS, G. Die marxsche werttheorie und das problem der negativen arbeitswerte. The Greek Review of Social Research, [S. l.], v. 38, p. 164–176, 1980. DOI: 10.12681/grsr.270. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/ekke/article/view/6916. Acesso em: 2 may. 2024.