Ovallos Gazabón, David Alfredo, and Paola Andrea Amar Sepúlveda. “Innovative Profile of Colombian Manufacturing Industries. Case of Metal Mechanics Sector in Barranquilla”. Revista Ingenierías Universidad De Medellín, vol. 13, no. 25, May 2015, pp. 115-36, doi:10.22395/rium.v13n25a8.