AGFAH, Qamaral Shabrina; AZHARI, Muhammad. Comparative Analysis of Abnormal Returns of Stocks and UBS Gold Before and After the Announcement of the Covid-19 Pandemic. Almana : Jurnal Manajemen dan Bisnis, [S. l.], v. 5, n. 1, p. 64–70, 2021. DOI: 10.36555/almana.v5i1.1541. Disponível em: https://journalfeb.unla.ac.id/index.php/almana/article/view/1541. Acesso em: 25 dec. 2025.