Cadavid-Giraldo, Nora, Ana Orrego Guarín, and Humberto Barrera Jiménez. “Air Quality in Aburrá Valley: What Can We Expect from the Smart City”. Ingeniería y Ciencia 17, no. 33 (May 12, 2021): 185-222. Accessed July 29, 2021. https://publicaciones.eafit.edu.co/index.php/ingciencia/article/view/6755.