Atribución-NoComercial 4.0 InternacionalJournal, PROFILE2019-06-292019-06-292014-10-13https://repositorio.unal.edu.co/handle/unal/50269application/pdfspaDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/Accumulative index of published articles in profile vol. 16 (2014)ArtÃculo de revistahttp://bdigital.unal.edu.co/44246/info:eu-repo/semantics/openAccess