GOPINATH, M. A. Equivalence Relations in Information Retrieval Thesaurus. Journal of Information and Knowledge, [S. l.], v. 22, n. 1, p. 57–63, 1985. DOI: 10.17821/srels/1985/v22i1/49433. Disponível em: https://srels.org/index.php/sjim/article/view/49433. Acesso em: 28 jul. 2025.