MIZUNUMA, Yuhiro et al. YouTube Videos Produced by U.S. Public Libraries. Qualitative and Quantitative Methods in Libraries, [S.l.], v. 8, n. 4, p. 547-560, dec. 2019. ISSN 2241-1925. Available at: <http://qqml-journal.net/index.php/qqml/article/view/548>. Date accessed: 29 feb. 2020.