ZHIQING XIA; YAN WANG; GE SONG. Modeling the impact of structural changes in international trade on economic growth based on principal component analysis. International Journal of Computer Information Systems and Industrial Management Applications, [S. l.], v. 18, p. 17, 2026. DOI: 10.70917/ijcisim-2026-0286. Disponível em: https://cspub-ijcisim.org/index.php/ijcisim/article/view/1645. Acesso em: 19 jun. 2026.