ASUNDI, A. Y. Common Subdivisions of Dewey Decimal Classification Editions 12-19: A Comparative Study. Journal of Information and Knowledge, [S. l.], v. 17, n. 4, p. 83–89, 1980. DOI: 10.17821/srels/1980/v17i4/50646. Disponível em: https://srels.org/index.php/sjim/article/view/50646. Acesso em: 12 jul. 2025.