HAZAR, M. Y. Effectiveness of Protectionism in the Trade War: Case of the U.S. and China. Ejons International Journal on Mathematic, Engineering and Natural Sciences, [S. l.], v. 8, n. 2, p. 226–235, 2024. DOI: 10.5281/zenodo.11531383. Disponível em: https://ejons.org/index.php/ejons/article/view/440. Acesso em: 3 apr. 2025.