Kovaleva, I. “The Paradox As a Moment of Comprehension of the Historical and Sociological Material”. Visnyk of V. N. Karazin Kharkiv National University. Series Sociological Studies of Contemporary Society: Methodology, Theory, Methods, no. 1053, Aug. 2019, pp. 59-63, https://periodicals.karazin.ua/ssms/article/view/13700.