NGUYỄN TUẤN DŨNG. Karl Marx’s method of producing relative surplus value and policy implications for improving labor productivity in Vietnam. Political Theory Journal, [S. l.], n. 581, p. 70–77, 2026. DOI: 10.70786/LLCT.581.2026.151. Disponível em: https://print.lyluanchinhtri.vn/llct/article/view/151. Acesso em: 25 aug. 2026.