Intermodal criteria to include non-motorized transport modes in the influence zone of Integral System of Transport of metropolitan area of San Salvador. TRIM. Tordesillas, revista de investigación multidisciplinar, [S. l.], n. 17, p. 63–79, 2020. DOI: 10.24197/trim.17.2019.63-79. Disponível em: https://revistas.uva.es/index.php/trim/article/view/4200. Acesso em: 8 jan. 2026.