Castrillón Orrego, S. A., M. V. Echavarría Goicoechea, M. E. Gallego Paláu, and M. Wolff López. “The Donor-Receptor Relation in International Cooperation Management in Medellín”. AD-Minister, no. 19, Dec. 2011, pp. 45-65, https://publicaciones.eafit.edu.co/index.php/administer/article/view/1659.