REN, Yuyan. Analysis of the Impact of Hainan’s Customs Closure Policy on Merchandise Trade-Taking Cosmetic Products as an Example. Transactions on Economics, Business and Management Research, [S. l.], v. 16, p. 76–82, 2025. DOI: 10.62051/t6nkkv80. Disponível em: https://tebmr.com/index.php/ojs/article/view/14. Acesso em: 21 jul. 2026.