1. Ahmad, N. H., & Ahmad, S. N. (2004). Key Factors Influencing Credit Risk of Islamic Bank: a Malaysian Case. Journal of Muamalat and Islamic Finance Research (JMIFR), 1(1). http://ddms.usim.edu.my/handle/123456789/5298
2. Akram, H., & Rahman, K. ur. (2018). Credit Risk Management: A Comparative Study of Islamic Banks and Conventional Banks in Pakistan. ISRA International Journal of Islamic Finance, 10(2), 185-205. https://doi.org/10.1108/IJIF-09-2017-0030
3. Al-Foul, L. R. A. (2017). Forecasting Asset Covariances and Variances based on Multi-Scale Risk Models on Portofolio Optimization Evidence from Amman Stock Exchange (ASE) [Yarmouk University]. http://repository.yu.edu.jo/bitstream/123456789/14083/1/675115.pdf
4. Badan Pusat Statistik. (2020). Analisis Hasil Survei Dampak Covid-19 terhadap Pelaku Usaha. https://www.bps.go.id/publication/2020/09/15/9efe2fbda7d674c09ffd0978/analisis-hasil-survei-dampak-covid-19-terhadap-pelaku-usaha.html
5. Butler, C. (1999). Mastering Value at Risk: A Step-by-step Guide to Understanding and Applying VaR. Financial Times/Prentice Hall.