Gusmiarni, Venia Thiofanny. Pengaruh Pandemi Covid-19, Pemberlakuan PSBB, Dan Pemberlakuan PPKM Terhadap Indeks Saham LQ45. jaaip [Internet]. 2023 Apr. 20 [cited 2025 Jul. 27];3(1):18-31. Available from: https://journal.unespadang.ac.id/jaaip/article/view/165