FORTUNADO, Ismael Tabu. An Overview to the Determinants of a Poor Society, Its Fourteen Categories. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 30, n. 5, p. 197–203, 2016. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/6375. Acesso em: 17 sep. 2025.