Firmino Valdevino, A.A., Medeiros, J.C.L., Nascimento, A.P. and Pessôa, A.P. 2010. Assessment of the efficiency of the basic sanitation services on the combat to the endemics in the counties of the State of Tocantins. Informe GEPEC. 14, 2 (Sep. 2010), 166–181. DOI:https://doi.org/10.48075/igepec.v14i2.3490.