NIU, Chenxing. Research on the Coupling and Coordinated Relationship between Economy and Ecological Environment in Qinghai Province. GBP Proceedings Series, [S. l.], v. 5, p. 42–49, 2025. DOI: 10.71222/aeqe3144. Disponível em: https://www.gbspress.com/index.php/GBPPS/article/view/329. Acesso em: 10 jul. 2025.