SATIJA, M. Universal Decimal Classification: Past and Present. DESIDOC Journal of Library & Information Technology, [S. l.], v. 28, n. 6, p. 3–10, 2010. DOI: 10.14429/djlit.28.6.217. Disponível em: https://publications.drdo.gov.in/ojs/index.php/djlit/article/view/217. Acesso em: 27 jun. 2025.