LI, J.; CAO, S. A Low-cost Wireless Water Quality Auto-monitoring System. International Journal of Online and Biomedical Engineering (iJOE), [S. l.], v. 11, n. 3, p. pp. 37–41, 2015. DOI: 10.3991/ijoe.v11i3.4488. Disponível em: https://online-journals.org/index.php/i-joe/article/view/4488. Acesso em: 19 aug. 2022.