Source: Martínez Adriana, Carrillo Jorge "Is there an industrial policy in Guanajuato? Analysis of the automotive industry", in Innovation, Collaboration Networks and Sustainability Regional Experiences and International Trends in the Automotive Industry, Clave Editorial, National Autonomous University of Mexico, El Colegio de Sonora, Center for Research in Food and Development, A. C. Chapter 5. pp.121-144