BAFFOUR, F. D.; ABASS, A. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 30, n. 2, p. 151–166, 2016. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6395. Acesso em: 1 may. 2024.