Hartadinata, Okta Sindhu, et al. “Performance Variability of Islamic Banks and Sustainable Finance: Early and During the Pandemic: Variabilitas Performa Bank Islam Dan Keuangan Berkelanjutan: Awal Dan Selama Pandemik”. Journal of Accounting Science, vol. 7, no. 2, July 2023, pp. 146-62, doi:10.21070/jas.v7i2.1722.