SIR, Vinoth; NIRMALA, K. E-Learning through Single Hand and Two Hand Sign Language. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 12, n. 10, p. pp. 192–201, 2017. DOI: 10.3991/ijet.v12i10.7034. Disponível em: https://online-journals.org/index.php/i-jet/article/view/7034. Acesso em: 25 apr. 2024.