(1)
Rodríguez García, J. M.; Medina Cuellar, S. E.; Sánchez Jiménez, M. A. Determination of the Poverty Threshold in Guanajuato: An Innovative Approach Using Engel’s Law and the Second Derivative Criterion. Acta Universitaria 2026, 36, 1-17. https://doi.org/10.15174/au.2026.4564.