Zubchenko, V. P., Kostiuk, Y. O., Lukashchuk, M. O., & Yaroshevskyi, A. M. (2020). Rating change classication of insurance companies indicators. Bulletin of Taras Shevchenko National University of Kyiv. Physical and Mathematical Sciences, (1-2), 31–35. https://doi.org/10.17721/1812-5409.2020/1-2.4