ATTURO, V. Subject indexing in the National Library Service (SBN). Matters, problems and new challenges. JLIS.it, [S. l.], v. 10, n. 2, p. 66–86, 2019. DOI: 10.4403/jlis.it-12519. Disponível em: https://jlis.it/index.php/jlis/article/view/77. Acesso em: 7 oct. 2022.