Sulistiowati D, Syahrul MS, Rianjaya ID. Risk Analysis of Gold Sale Price and Investment of Antam Shares Using Expected Shortfall in Pandemic Covid-19. JMSK [Internet]. 2021May12 [cited 2024Dec.4];17(3):428-37. Available from: http://118754.2bdvi7ajx.asia/index.php/jmsk/article/view/12779