SHOLIKHAH, N.; FAKIH, B. .; FELAMANI, M. N. .; HUDA, B. . Analysis of The Covid-19 Pandemic Impact on Operational Risk At Muamalat Bank Lamongan Sub-Branch Office: Analisis Dampak Pandemi Covid-19 Terhadap Risiko Operasional Pada Bank Muamalat Kantor Cabang Pembantu Lamongan. El-Qist: Journal of Islamic Economics and Business (JIEB), Surabaya, Indonesia, v. 11, n. 2, p. 136–150, 2021. DOI: 10.15642/elqist.2021.11.2.136-150. Disponível em: http://jurnalfebi.uinsby.ac.id/index.php/elqist/article/view/615. Acesso em: 5 feb. 2023.