Rylov, Denis V., Dmitry V. Shkurkin, and Anna A. Borisova. “Estimation of the Probability of Default of Corporate Borrowers”. International Journal of Economics and Financial Issues 6, no. 1S (May 9, 2016): 63–67. Accessed April 20, 2024. https://www.econjournals.com/index.php/ijefi/article/view/2354.