Nikitina, Vira. 2019. “Conceptual Apparatus of Deployment of Social Crisis in the Context of Wave Approach”. Visnyk of V. N. Karazin Kharkiv National University. Series "Sociological Studies of Contemporary Society: Methodology, Theory, methods", no. 999 (August), 27-31. https://periodicals.karazin.ua/ssms/article/view/13900.