Costa, Karine Andréa, Elizabeth Weinhardt Oliveira Scheffer, Patrícia Los Weinert, and Estevan Luis Silveira. 2018. “EVALUATION OF THE QUALITY OF THE RIO VERDE WATER, PONTA GROSSA, PR: A STUDY ON THE CONDITIONS OF AQUATIC LIFE MAINTENANCE AND THE EUTROPHICATION PROCESS”. Eclética Química 43 (2):51-58. https://doi.org/10.26850/1678-4618eqj.v43.2.2018.p51-58.