MOYO, C.; ANYIKWA, I.; PHIRI, A. The Impact of Covid-19 on Oil Market Returns: Has Market Efficiency Being Violated?. International Journal of Energy Economics and Policy, [S. l.], v. 13, n. 1, p. 118–127, 2023. DOI: 10.32479/ijeep.13453. Disponível em: https://econjournals.com/index.php/ijeep/article/view/13453. Acesso em: 25 apr. 2024.