MOYO, Clement; ANYIKWA, Izunna; PHIRI, Andrew. 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://mail.econjournals.com/index.php/ijeep/article/view/13453. Acesso em: 27 dec. 2024.