TYURMENKO, Iryna. “OSTROGIANA IN THE MENTAL DIMENSION OF IVAN OGIENKO (METROPOLITAN ILARION)”. HUMANITARIAN STUDIES: HISTORY AND PEDAGOGY, no. 1 (September 21, 2021): 62–77. Accessed July 23, 2025. http://gsip.wunu.edu.ua/index.php/gsipen/article/view/40.