B., Zaadoud; Y., Chbab; S., El Ghaza; A., Chaouch. European Scientific Journal, ESJ, [S. l.], v. 13, n. 9, p. 386, 2017. DOI: 10.19044/esj.2017.v13n9p386. Disponível em: https://last.eujournal.org/index.php/esj/article/view/9034. Acesso em: 11 feb. 2026.