Sulistiowati, D., Syahrul, M. S. . and Rianjaya, I. D. . (2021) “Risk Analysis of Gold Sale Price and Investment of Antam Shares Using Expected Shortfall in Pandemic Covid-19”, Jurnal Matematika, Statistika dan Komputasi, 17(3), pp. 428-437. doi: 10.20956/j.v17i3.12779.