Pozo W, Sanfeliu T, Carrera G. Heavy metals in rice wetlands in the lower basin of the Guayas River. MSKN [Internet]. 2011 Jun. 24 [cited 2024 Apr. 30];2(1):17-30. Available from: https://publicaciones.ucuenca.edu.ec/ojs/index.php/maskana/article/view/373