HENA, Eduardus.
 Analisis pengaruh covid 19 dan faktor-faktor ekonomi terhadap indeks harga saham gabungan di Bursa Efek Jakarta.
<strong>Journal of Information System, Applied, Management, Accounting and Research</strong>, [S.l.], v. 6, n. 1, p. 116-122, feb. 2022.
ISSN 2598-8719.
Available at: &lt;<a href="https://journal.stmikjayakarta.ac.id/index.php/jisamar/article/view/496" target="_new">https://journal.stmikjayakarta.ac.id/index.php/jisamar/article/view/496</a>&gt;. Date accessed: 06 july 2025.
doi: <a href="https://doi.org/10.52362/jisamar.v6i1.496">https://doi.org/10.52362/jisamar.v6i1.496</a>.