“Bioaccumulation of Mercury and Zinc on Fish Species of the Carrizal River Sub-Basin, Manabí, Ecuador”. Iberoamerican Environment & Sustainability Journal 3, no. 2 (December 30, 2020): 49–66. Accessed March 14, 2026. https://rias.unesum.edu.ec/index.php/revista/article/view/100.