RODRÍGUEZ, J. C.; GÓMEZ, M. Innovation Trends in NAFTA Countries: An Econometric Analysis of Patent Applications. Journal of Technology Management & Innovation, Santiago, Chile, v. 6, n. 3, p. 116–125, 2011. DOI: 10.4067/S0718-27242011000300009. Disponível em: https://www.jotmi.org/index.php/GT/article/view/art211. Acesso em: 24 may. 2022.