Torres González, M. A., Z. S. Hernández Veleros, and J. G. Ramírez Rosas. “Analysis of Water Coverage in the Municipalities of the State of Guanajuato”. International Journal of Combinatorial Optimization Problems and Informatics, vol. 14, no. 2, June 2023, pp. 59-66, https://ijcopi.org/ojs/article/view/354.