ZHUANG, Yanbin. Development of the U.S. Digital Economy: Problems and Countermeasures. Finance & Economics, [S. l.], v. 3, n. 6, p. 8102, 2025. DOI: 10.61173/c9hyae11. Disponível em: https://fe.deanfrancis.press/article/view/183. Acesso em: 4 nov. 2026.