JULIYANA PUSPITA SARI; DELVI MAYANG SARI; BAYU RISKI SAPUTRA. Analisis Kinerja Portofolio Saham LQ45 Sebelum dan Sesudah Pandemi COVID-19 di Bursa Efek Indonesia. Journal of Business, Finance, and Economics (JBFE), [S. l.], v. 7, n. 1, p. 35–41, 2026. DOI: 10.32585/jbfe.v7i1.8523. Disponível em: https://journal.univetbantara.ac.id/index.php/jbfe/article/view/8523. Acesso em: 8 jul. 2026.