Sulistiowati D, Syahrul MS, Rianjaya ID. Risk Analysis of Gold Sale Price and Investment of Antam Shares Using Expected Shortfall in Pandemic Covid-19. J [Internet]. 2021May12 [cited 2024May3];17(3):428-37. Available from: https://journal.unhas.ac.id/index.php/jmsk/article/view/12779