Simamora, Saur Costanius. “PENGARUH DATA VAKSINASI, INDEKS DOW JONES DAN NILAI TUKAR TERHADAP INDEKS HARGA SAHAM GABUNGAN (IHSG) DI BURSA EFEK INDONESIA PERIODE TRIWULAN SATU TAHUN 2021”. JURNAL ILMIAH M-PROGRESS 11, no. 2 (June 18, 2021). Accessed November 9, 2025. https://journal.universitassuryadarma.ac.id/index.php/ilmiahm-progress/article/view/696.