KHALAF , H. A. .; DODEEN, M. M. . Hardship Theory under the United Nations Convention on Contracts for the International Sale of Goods (CISG) 1980. International Review of Law, [S. l.], v. 15, n. 2, 2026. DOI: 10.29117/irl.2026.0381. Disponível em: https://journals.qu.edu.qa/index.php/IRL/article/view/6984. Acesso em: 7 oct. 2026.