A. Arcila and J. F. Quintero Franco, “Analysis of the International Applicability of Singapore’s Electronic Road Pricing (ERP) and its Impact on Mobility: A Socio- Environmental Approach for the City of Medellin”., Mundo Asia Pacifico, vol. 6, no. 10, pp. 41–58, June 2017, doi: 10.17230/map.v6.i10.04.