Villamar Marazita, Karla, Zambrano Anchundia, Johanna, Aguilar, Cristhian, Filian, Karla, Flores, Nadia, Romero Crespo, Paola, et al. Heavy Metal Pollution Assessment in surface and groundwater in the Ponce Enríquez mining area, Ecuador. LACCEI [Internet]. 2023 July 27 [cited 2026 June 8];1(8). Available from: https://proceedings.laccei.org/index.php/laccei/article/view/2930