Soares, Rogério, Samiria Silva, Francisco Souza Filho, Ticiana Studart, and Renata Frota. “GROUNDWATER VULNERABILITY TO AGROCHEMICAL CONTAMINATION”. Brazilian Journal of Environmental Sciences (Online) 55, no. 4 (October 19, 2020): 440 - 455. Accessed December 5, 2020. http://rbciamb.com.br/index.php/Publicacoes_RBCIAMB/article/view/531.