Grishunin, Sergei, and Alexandra Egorova. “Comparative Analysis of the Predictive Power of Machine Learning Models for Forecasting the Credit Ratings of Machine-Building Companies”. Journal of Corporate Finance Research / Корпоративные Финансы | ISSN: 2073-0438 16, no. 1 (March 1, 2022): 99-112. Accessed June 23, 2025. https://cfjournal.hse.ru/article/view/12102.