M. . Ueda Yamaguchi, L. E. . Ranieri Cortez, L. C. . Camargo Ottoni, and J. . Oyama, “Microbiological quality of human consumption water in a school in Maringa-PR: DOI: 10.15343/0104-7809.2013373312320”, Mundo Saude, vol. 37, no. 3, pp. 312–320, Jul. 2013.