AYALA R., C.; HERNÁNDEZ SOTO, F. Región Metropolitana Central de Guatemala RMCG. Avance, [S. l.], v. 1, n. 1, p. 31–43, 2011. Disponível em: https://ojs.farusac.edu.gt/index.php/avance/article/view/29. Acesso em: 31 oct. 2024.