YUQING WANG. On Substantive Changes to Contracts Under the United Nations Convention on Contracts for the International Sale of Goods. Studies in Law and Justice, [S. l.], v. 2, n. 1, p. 19–25, 2023. Disponível em: https://www.pioneerpublisher.com/slj/article/view/166. Acesso em: 18 may. 2025.