TAWFIK, Mohamed et al. VISIR: Experiences and Challenges. International Journal of Online and Biomedical Engineering (iJOE), [S. l.], v. 8, n. 1, p. pp. 25–32, 2012. DOI: 10.3991/ijoe.v8i1.1879. Disponível em: https://online-journals.org/index.php/i-joe/article/view/1879. Acesso em: 23 apr. 2024.