Yañez Orozco H, Bravo Peña LC. Motorization index, legal and illegal vehicles: the case of Cuauhtémoc City, Chihuahua. Acta Universitaria [Internet]. 2022 Jan. 26 [cited 2026 Jun. 30];32:1-14. Available from: https://www.actauniversitaria.ugto.mx/index.php/acta/article/view/3207