The Crisis of Farming Systems in Luapula Province, Zambia. Nordic Journal of African Studies, [S. l.], v. 2, n. 2, p. 23, 1993. DOI: 10.53228/njas.v2i2.715. Disponível em: https://c2gqqexi.c2.suncomet.fi/njas/article/view/715. Acesso em: 14 nov. 2026.