PASTRANA BONILLA, E. Editorial. Ingeniería y Región, [S. l.], v. 6, n. 1, p. 1, 2009. DOI: 10.25054/22161325.806. Disponível em: https://journalusco.edu.co/index.php/iregion/article/view/806. Acesso em: 19 may. 2024.