STARR, Ethan. A Quest for Common Cents: The Future of the Penny in United States Currency. Colloquium: The Political Science Journal of Boston College, [S. l.], v. 2, n. 2, 2018. Disponível em: https://ejournals.bc.edu/index.php/colloquium/article/view/10674. Acesso em: 3 may. 2024.