Herrera Catalán, Pedro, and Oscar Millones. “Estimating the Cost of Mining Pollution on Water Resources: Parametric and Nonparametric Resources”. Economia 35, no. 70 (December 20, 2012): 9-59. Accessed June 19, 2024. https://revistas.pucp.edu.pe/index.php/economia/article/view/3839.