DAS, B. K.; KARN, S. K. Role of Digital Library in Open and Distance Learning: Challenges and Opportunities. Journal of Information and Knowledge, [S. l.], v. 49, n. 3, p. 239–248, 2012. DOI: 10.17821/srels/2012/v49i3/43860. Disponível em: https://srels.org/index.php/sjim/article/view/43860. Acesso em: 8 apr. 2025.