MARCHANT-SHAPIRO, Andrew. Complex Data, Simple Tools: An Introduction to Text Retrieval Packages. IASSIST Quarterly, [S. l.], v. 15, n. 1, p. 36, 1991. DOI: 10.29173/iq555. Disponível em: https://iassistquarterly.com/index.php/iassist/article/view/555. Acesso em: 3 jul. 2024.