CRIVELLARO, J. The notion of "Administrative Practice" in U.S. Federal Tax Law. Studi Tributari Europei, [S. l.], v. 3, n. 1, 2011. DOI: 10.6092/issn.2036-3583/4808. Disponível em: https://ste.unibo.it/article/view/4808. Acesso em: 25 apr. 2024.