ESSIA, U. .; OKOI, I. E. . Marxist Political Economy and the Crisis of Relevance in Contemporary World. International Journal of Sustainable Development & World Policy, [S. l.], v. 2, n. 5, p. 59–76, 2013. Disponível em: https://archive.conscientiabeam.com/index.php/26/article/view/2026. Acesso em: 24 aug. 2024.