MARTÍNEZ, A.M., SANTOS NAVARRO, G. and GARCÍA GARNICA, A. 2017. <strong>Productive Specialization and Relational Analysis: the Automotive Industry in Guanajuato</strong>. Frontera Norte. 29, 58 (Jul. 2017), 121–140. DOI:https://doi.org/10.17428/rfn.v29i58.525.