Cordero Espinosa, Carlos Sebastián, and Juan José Arias Figueroa. “The Innovation Revealed by the Extensive Margin in the Exports of the Suppliers of Mining Services in Chile”. Tec Empresarial 12, no. 2 (August 16, 2018): 19–32. Accessed June 13, 2024. https://revistas.tec.ac.cr/index.php/tec_empresarial/article/view/3718.