T. O. Farias, D. P. Lima, and Ângelo R. Balduíno, “Evaluation of the Water Quality of the River Basin of São João River in the Municipality of Porto Nacional - Tocantins”, ijaers, vol. 6, no. 5, Oct. 2019, Accessed: Nov. 23, 2024. [Online]. Available: https://journal-repository.com/index.php/ijaers/article/view/803