Human development level in Africa: Human development level in Africa. jornal of the libyan geographical society, [S. l.], v. 4, n. 4, p. 131–164, 2009. DOI: 10.5281/zenodo.18421327. Disponível em: https://jlgs.ly/ojs/index.php/ojsdata/article/view/53. Acesso em: 13 feb. 2026.