Drahan, V. “Historical and Ethnographic Views of Stefan Kovaliv in the Studies of Ukrainian Researchers of the Second Half of the 20 Th – Byginning of the 21 Century”. Zaporizhzhia Historical Review, Vol. 2, no. 52, Dec. 2019, pp. 144-8, https://istznu.org/index.php/journal/article/view/202.