GOLDFRANK, W. L. PRAXIS, SHMAXIS: COMMENTARY ON WAGAR. Journal of World-Systems Research, [S. l.], v. 2, n. 1, p. 73–76, 1996. DOI: 10.5195/jwsr.1996.75. Disponível em: http://jwsr.pitt.edu/ojs/jwsr/article/view/75. Acesso em: 19 apr. 2024.