SUGRA BEGUM, R. City Library System. Journal of Information and Knowledge, [S. l.], v. 1, n. 4, p. 309–318, 2014. DOI: 10.17821/srels/1964/v1i4/40156. Disponível em: https://srels.org/index.php/sjim/article/view/40156. Acesso em: 19 apr. 2025.