Kalabari: A Study in Synthetic Ideal-type. Nordic Journal of African Studies, [S. l.], v. 8, n. 1, p. 33, 1999. DOI: 10.53228/njas.v8i1.644. Disponível em: https://c2gqqexi.c2.suncomet.fi/njas/article/view/644. Acesso em: 14 nov. 2026.