Albuquerque, Claudison Vieira de, and João Allyson Ribeiro de Carvalho. “Analysis of the Geochemistry of the Background Sediments the Cotunguba River, Feira Nova-Pe, According to Parameters of the Conama Resolution 344 2004”. International Journal of Advanced Engineering Research and Science 8, no. 9 (September 15, 2021). Accessed July 3, 2024. https://journal-repository.com/index.php/ijaers/article/view/4084.