Teixeira, Gloria, Francisco Malaquias de Almeida Neto, and Tiago Brandão de Pinho. “The Ability to Pay Principle: A Portuguese/Brazilian Perspective”. Studi Tributari Europei 12, no. 1 (January 1, 2022): I.1 - I.9. Accessed April 17, 2024. https://ste.unibo.it/article/view/16684.