CROWE, K.; BRADSHAW, A. K. Taking a Page from Retail: Secret Shopping for Academic Libraries. Evidence Based Library and Information Practice, [S. l.], v. 11, n. 1, p. 40–56, 2016. DOI: 10.18438/B85S6H. Disponível em: https://journals.library.ualberta.ca/eblip/index.php/EBLIP/article/view/25311. Acesso em: 26 sep. 2022.