RAHMAN, A. Reference Service in Action. Journal of Information and Knowledge, [S. l.], v. 29, n. 3, p. 148–156, 1992. DOI: 10.17821/srels/1992/v29i3/50669. Disponível em: https://srels.org/index.php/sjim/article/view/50669. Acesso em: 18 apr. 2025.