P. M. Guarda, A. M. Santana Pontes, R. . de Souza Domiciano, L. da silva Gualberto, and E. A. Guarda, “Evaluation of contamination by pesticides in the sediments of Formoso River in the state of Tocantins”, DRIUFT, vol. 7, no. Especial, pp. 123–135, Oct. 2020.