IX. World Conference of the Society for International Development. Czech Journal of International Relations, Prague, Czech Republic, v. 2, n. 3, p. 58–59, 1967. DOI: 10.32422/cjir.1252. Disponível em: https://cjir.suma.software/index.php/cjir/article/view/1252. Acesso em: 12 jan. 2026.