Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePresentación.AuthorsMORENO TRUJILLO, JOHN FREDDYPublicationODEON - Observatorio de Economía y Operaciones Numéricas, 2019, Issue 17, p5ISSN1794-1113Publication typeArticleDOI10.18601/17941113.n17.01