Tovar Cuevas, Luis Miguel, Walter Serna Borja, Sandra Balanta Cobo, and José Alejandro Ordoñez. 2018. “Factors Associated With Entrepreneurship by Opportunity of Colombians Returning from Abroad”. Migraciones. Publicación Del Instituto Universitario De Estudios Sobre Migraciones, no. 45 (December):119-42. https://doi.org/10.14422/mig.i45.y2018.005.