PORRAS PINEDA, José Luis. Integration to the historical center of San Salvador of the contemporary buildings of Universidad Tecnológica de El Salvador. Entorno, [S. l.], n. 40, p. 36–40, 2008. DOI: 10.5377/entorno.v0i40.7263. Disponível em: https://www.camjol.info/index.php/entorno/article/view/7263. Acesso em: 6 dec. 2025.