Delgado, Alexi, Andrade, Abraham, Prado, José, Chacaliaza, Alvaro, Duran, Lenny, and Lee-Huamani, Enrique. 2024. “Applying the Grey Systems Theory to Assess Air Quality in La Oroya - Peru”. LACCEI 1 (8). https://doi.org/10.18687/LACCEI2023.1.1.156.