CARLSON, J. D. Externality and Incorporation in the World-System: Abyssinia - Anomaly or Palimpsest?. Journal of World-Systems Research, [S. l.], v. 17, n. 1, p. 165–198, 2011. DOI: 10.5195/jwsr.2011.431. Disponível em: https://jwsr.pitt.edu/ojs/jwsr/article/view/431. Acesso em: 29 mar. 2024.