SATHYANARAYANA, N. Collection Development in the E-content World: Challenges of Procurement, Access and Preservation. DESIDOC Journal of Library & Information Technology, [S. l.], v. 33, n. 2, 2013. DOI: 10.14429/djlit.33.2.4198. Disponível em: https://publications.drdo.gov.in/ojs/index.php/djlit/article/view/4198. Acesso em: 17 jun. 2025.