“Perbandingan Kinerja Indeks Dow Jones, DAX, Nikkei 225, Kospi Dan IHSG Di Masa Pandemi Covid-19”. 2021. JURNAL NUSANTARA APLIKASI MANAJEMEN BISNIS 6 (1): 100-108. https://doi.org/10.29407/nusamba.v6i1.15500.