HANNUM, Christopher. Effect of Natural Gas Prices on Renewable Portfolio Standard Impacts. International Journal of Energy Economics and Policy, [S. l.], v. 13, n. 2, p. 391–403, 2023. DOI: 10.32479/ijeep.13741. Disponível em: https://econjournals.com/index.php/ijeep/article/view/13741. Acesso em: 24 nov. 2024.