WAGNER, O. Customs duties due to COVID-19 extra shipping costs. A force majeure?. Journal of Sustainable Development of Transport and Logistics, [S. l.], v. 6, n. 2, p. 143–149, 2021. DOI: 10.14254/jsdtl.2021.6-2.9. Disponível em: https://jsdtl.sciview.net/index.php/jsdtl/article/view/165. Acesso em: 26 jun. 2026.