ECONOMIC AND MATHEMATICAL MODEL OF CARGO TRANSPORTATION IN INTERNATIONAL PIGGYBACK CONNECTION. European Journal of Intelligent Transportation Systems, [S. l.], n. 1(3), 2021. DOI: 10.31435/rsglobal_ejits/30032021/7371. Disponível em: https://rspublisher.org/index.php/ejits/article/view/1817. Acesso em: 17 mar. 2026.