Werdenberg EC, Borsato FVG. Mercosur and the harmonization of the laws that inform the determination of rates of tax on imports. Rev. Dir. Público [Internet]. 2007 Dec. 15 [cited 2026 Oct. 2];2(3):137-48. Available from: https://ojs.uel.br/revistas/uel/index.php/direitopub/article/view/11368