J. C. Duque, R. Ramos, and V. Royuela, “Research networks and scientific production in Economics: The recent Spanish Experience”, ecos.econ., vol. 15, no. 32, pp. 121–132, Apr. 2011, Accessed: Nov. 11, 2026. Available: https://publicaciones.eafit.edu.co/index.php/ecos-economia/article/view/327