Nwaugo, Victor Oluoha, et al. “EFFECT OF PHYSICOCHEMICAL PROPERTIES AND ATTACHMENT SURFACES ON BIOFILMS IN CASSAVA MILL EFFLUENT POLLUTED OLOSHI RIVER, NIGERIA”. Estudos De Biologia, vol. 29, nº 66, novembro de 2007, doi:10.7213/reb.v29i66.22211.