MANNING, S. Introduction. Journal of World-Systems Research, [S. l.], v. 5, n. 2, p. 137–141, 1999. DOI: 10.5195/jwsr.1999.131. Disponível em: https://jwsr.pitt.edu/ojs/jwsr/article/view/131. Acesso em: 18 jun. 2025.