Bueno, K.Z.A., Pérez Vidal, A. and Torres Lozada, P. 2014. Identification of chemical hazards in supply watersheds as an instrument for risk evaluation. Revista Ingenierías Universidad de Medellín. 13, 24 (Nov. 2014), 59-75. DOI:https://doi.org/10.22395/rium.v13n24a4.