Gallardo del Ángel, Roberto. «A Quality of Life Index of Mexican Cities: An Equalizing-Difference Approach». EconoQuantum 14, no. 1 (febrero 17, 2017): 73–98. Accedido abril 25, 2024. https://econoquantum.cucea.udg.mx/index.php/EQ/article/view/6542.