Romero Montoya, Mauricio, Erika Granillo, Rogelio González Velázquez, María Beatriz Bernabé Loranca, and Martín Estrada Analco. 2020. “A Hybrid VNS/TABU Search Algorithm for Solution the P-Median Problem”. International Journal of Combinatorial Optimization Problems and Informatics 11 (2), 67-74. https://ijcopi.org/ojs/article/view/137.