ZHANG, Yixin. The Role of Free Trade Agreements in Reducing Trade Costs：A Panel Data Analysis. Highlights in Business, Economics and Management, [S. l.], v. 63, p. 206–214, 2025. DOI: 10.54097/87hch272. Disponível em: http://hbem.org/index.php/OJS/article/view/738. Acesso em: 30 may. 2026.