TORRALBA, E.; AMANTE, A. D.; VILLENA, A. ECHO: A WIFI – based emergency communication platform. International Research Journal on Innovations in Engineering, Science and Technology, [S. l.], v. 3, p. 01–07, 2017. Disponível em: https://ojs.batstate-u.edu.ph/index.php/IRJIEST/article/view/26. Acesso em: 27 nov. 2024.