Villamarín Martínez, F.J. and Ortega Ordoñez, X.A. 2018. Dynamics of migration to and from Nariño. Exploration of recent and absolute migrations, intercensal period 1993-2005. Sociedad y Economía. 35 (Dec. 2018). DOI:https://doi.org/10.25100/sye.v0i35.5641.