Rojas López, M. D., and A. F. Ramírez Muriel. “Investment in Road Infrastructure and Its Impact on the Economic Development: An Analysis Approach to the Infrastructure Case in Colombia (1993-2014)”. Revista Ingenierías Universidad De Medellín, Vol. 17, no. 32, July 2018, pp. 109-28, doi:10.22395/rium.v17n32a6.