Quiñones Huatangari, Lenin, Luis Ochoa Toledo, Nicolás Kemper Valverde, Oscar Gamarra Torres, José Bazán Correa, and Jorge Delgado Soto. 2020. “Artificial Neural Network to Estimate an Index of Water Quality”. Enfoque UTE 11 (2):pp. 109-120. https://doi.org/10.29019/enfoque.v11n2.633.