ORTIZ SANCHEZ, A. Editorial. Ingeniería y Región, [S. l.], v. 2, p. 1–2, 2003. DOI: 10.25054/22161325.866. Disponível em: https://journalusco.edu.co/index.php/iregion/article/view/866. Acesso em: 19 may. 2024.