SULISTIOWATI, D.; SYAHRUL, M. S. .; RIANJAYA, I. D. . Risk Analysis of Gold Sale Price and Investment of Antam Shares Using Expected Shortfall in Pandemic Covid-19. Jurnal Matematika, Statistika dan Komputasi, [S. l.], v. 17, n. 3, p. 428-437, 2021. DOI: 10.20956/j.v17i3.12779. Disponível em: https://journal.unhas.ac.id/index.php/jmsk/article/view/12779. Acesso em: 3 may. 2024.