Investigating The Environmental Quality–Economic Growth Nexus In Vietnam: Nonlinear And Asymmetric Evidence From NARDL And QQR Approaches. International Journal of Environmental Sciences, [S. l.], p. 440–459, 2025. DOI: 10.64252/ctwzcr12. Disponível em: https://theaspd.com/index.php/ijes/article/view/2169.. Acesso em: 23 jul. 2026.