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Reference & User Services Quarterly, [S.l.], v. 57, n. 1, p. 57-60, oct. 2017.
ISSN 1094-9054.
Available at: <https://journals.ala.org/index.php/rusq/article/view/6443/8517>. Date accessed: 16 july 2021.
doi:http://dx.doi.org/10.5860/rusq.57.1.6443.