Erika Ruíz and Luis Amaya and Diego Carreño, A Location Routing Model for the Logistic System in the Mining Collection Centers of the Northern Region of Boyacá-Colombia. journal = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2017, vol. 132(12). 1920 - 1924 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/10008586.