“Beneficios Tributarios Y Aduaneros en Los Departamentos Fronterizos de Putumayo Y Amazonas, Año 2010”. Journal of the Faculty of Accounting, Economics and Administrative Sciences -FACCEA, vol. 3, no. 1, June 2013, pp. 42-54, https://editorial.uniamazonia.edu.co/faccea/article/view/92.