SINGH, J. Copyright Issues. DESIDOC Journal of Library & Information Technology, [S. l.], v. 27, n. 6, p. 19–30, 2010. DOI: 10.14429/djlit.27.6.142. Disponível em: https://publications.drdo.gov.in/ojs/index.php/djlit/article/view/142. Acesso em: 27 jun. 2025.