Zeferino Ferreira, Rui Miguel. “Toward an Integrated Methodology of Tax Systems: Between Legal Formalism and Economic Realism”. Legal Journal (J²) 7, no. 2 (April 4, 2026): 21–33. Accessed October 28, 2026. https://revistas.ponteditora.org/index.php/j2/article/view/1119.