CASTAÑEDA ORTIZ, N. Perfil. Ingeniería y Región, [S. l.], v. 2, p. 63–64, 2003. DOI: 10.25054/22161325.875. Disponível em: https://journalusco.edu.co/index.php/iregion/article/view/875. Acesso em: 26 dic. 2024.