A bi-objective humanitarian logistics model considering equity in the affected zones: application to a recent earthquake in MexicoNorberto A. Hernández-Leandro, Omar Ibarra-Rojas and José-Fernando Camacho-VallejoRAIRO-Oper. Res., 56 3 (2022) 1737-1762DOI: https://doi.org/10.1051/ro/2022067