Kusno, Hendra Sanjaya, et al. “Return on Assets and Covid-19: Do Capital Adequacy Ratio, Loan to Deposit Ratio and Operational Efficiency Ratio Matters?”. Jurnal AKSI (Akuntansi Dan Sistem Informasi), vol. 7, no. 2, Sept. 2022, doi:10.32486/aksi.v7i2.333.