HAMMETT, D. A. Utilizing Flipgrid for speaking activities: A small-scale university-level EFL study. Technology in Language Teaching & Learning, [S. l.], v. 3, n. 2, p. 34–50, 2021. DOI: 10.29140/tltl.v3n2.509. Disponível em: https://www.castledown.com/journals/tltl/article/view/tltl.v3n2.509. Acesso em: 17 jan. 2025.