SALEEM, A. M.; MUSTAFA, H. M.; ASAAD, Z. A.; AL-DELAWI, A. S. Regional Stock Market Efficiency at Weak Form after the Covid-19 Vaccination Approval. International Journal of Economics and Financial Issues, [S. l.], v. 13, n. 6, p. 63–70, 2023. DOI: 10.32479/ijefi.15109. Disponível em: https://econjournals.com/index.php/ijefi/article/view/15109. Acesso em: 31 aug. 2024.