SINGH, S. Evaluation of Electronic Reference Sources. DESIDOC Journal of Library & Information Technology, [S. l.], v. 23, n. 2, 2003. DOI: 10.14429/djlit.23.2.3596. Disponível em: https://publications.drdo.gov.in/ojs/index.php/djlit/article/view/3596. Acesso em: 27 jun. 2025.