HAUG, Tobias; EBLING, Sarah. Using Open-Source Software for Sign Language Learning and Assessment. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 14, n. 19, p. pp. 188–196, 2019. DOI: 10.3991/ijet.v14i19.11123. Disponível em: https://online-journals.org/index.php/i-jet/article/view/11123. Acesso em: 19 apr. 2024.