COGO, Elise. Libraries Demonstrate Low Adherence to Virtual Reference Service Guidelines. Evidence Based Library and Information Practice, [S. l.], v. 4, n. 2, p. 152–154, 2009. DOI: 10.18438/B8VS5B. Disponível em: https://journals.library.ualberta.ca/eblip/index.php/EBLIP/article/view/4563. Acesso em: 28 mar. 2024.