Farias TO, Lima DP, Balduíno Ângelo R. Evaluation of the Water Quality of the River Basin of São João River in the Municipality of Porto Nacional - Tocantins. ijaers [Internet]. 2019 Oct. 5 [cited 2024 Jul. 22];6(5). Available from: https://journal-repository.com/index.php/ijaers/article/view/803