DUMAYAS, D. R.; MONTEBON, G. F.; RELOJ, C. J.; SAN DIEGO, F. M.; TAMAYO, J. M.; VALENZUELA, I. Transportable Water Purifying Device Using Bio Sand Filtration and Ultraviolet Light Treatment with Android Application for Monitoring. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), [S. l.], v. 10, n. 1-4, p. 169–173, 2018. Disponível em: https://jtec.utem.edu.my/jtec/article/view/3612. Acesso em: 5 may. 2024.