GHAZANFARI, A. Regional Patterns for the Retail Petrol Prices. International Journal of Energy Economics and Policy, [S. l.], v. 11, n. 4, p. 383–397, 2021. Disponível em: https://econjournals.com/index.php/ijeep/article/view/10132. Acesso em: 25 apr. 2024.