The Impact of Environmental Externalities on Commodity Price Stability: GARCH (Generalized Autoregressive Conditional Heteroskedasticity) Volatility Analysis. Nomico, [S. l.], v. 2, n. 11, p. 48–57, 2025. DOI: 10.62872/2ccmsh89. Disponível em: https://ejournal-nawalaedu.com/index.php/NJ/article/view/2211. Acesso em: 16 jan. 2026.