K. G. da S. Cavalcanti, D. F. da Silva, N. S. Lima, R. de C. Mendonça, W. R. Nunes Neto, e M. R. Chagas Silva, “Quantitative vulnerability assessment of Corda river water basin: impacts of seasonality on water quality in the State of Maranhao”, CeN, vol. 42, p. e2, maio 2020.