NESKORODZHENA Л. Warranty letters in economic activity. Foreign trade: economics, finance, law, [S. l.], v. 110, n. 3, p. 74–86, 2020. DOI: 10.31617/zt.knute.2020(110)07. Disponível em: https://journals.knute.edu.ua/foreign-trade/article/view/177. Acesso em: 29 apr. 2024.