PRAYOGA, Agus Diemas; KIM, Sung Suk. Impact of COVID-19 Pandemic and Vaccine Information To Stock Returns and Volatility in Indonesia. JMBI UNSRAT (Jurnal Ilmiah Manajemen Bisnis dan Inovasi Universitas Sam Ratulangi)., [S. l.], v. 9, n. 1, 2022. DOI: 10.35794/jmbi.v9i1.38831. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/jmbi/article/view/38831. Acesso em: 22 mar. 2026.