Zubchenko, V. P., Ye. O. Kostiuk, M. O. Lukashchuk, and A. M. Yaroshevskyi. “Rating Change Classication of Insurance Companies Indicators”. Bulletin of Taras Shevchenko National University of Kyiv. Physical and Mathematical Sciences, no. 1-2 (March 9, 2020): 31–35. Accessed April 12, 2024. https://bphm.knu.ua/index.php/bphm/article/view/168.