WILLIAMS, M. L. The MLS in perspective. OLA Quarterly, [S. l.], v. 3, n. 1, p. 4–5+, 1997. DOI: 10.7710/1093-7374.1433. Disponível em: https://journals.oregondigital.org/olaq/article/view/vol3_iss1_3. Acesso em: 8 aug. 2024.