“Innovation, intellectual property and competitiveness. The designation of origin as a strategy for competitiveness for shoe industry leon, Guanajuato”., Teor. Enfoques. Apl. Cienc. Soc., vol. 2, no. 4, pp. 33–43, Jun. 2010, Accessed: Aug. 24, 2026. Available: https://revistas.uclave.org/index.php/teacs/article/view/1770