ALGHIFARY, M. S.; KADJI, D.; HAFIZAH, I. Indonesian Stocks’ Volatility during COVID-19 Waves: Comparison between IHSG and ISSI. International Journal of Islamic Economics and Finance (IJIEF), [S. l.], v. 6, n. 1, p. 105–132, 2023. DOI: 10.18196/ijief.v6i1.14838. Disponível em: https://journal.umy.ac.id/index.php/ijief/article/view/14838. Acesso em: 4 sep. 2025.