APA
(2019). Sustainable development trends and challenges under COVID-19: 2 nd multidisciplinary conference for young researchers. Sumy: .
Chicago
2019. Sustainable development trends and challenges under COVID-19: 2 nd multidisciplinary conference for young researchers. Sumy: .
Harvard
(2019). Sustainable development trends and challenges under COVID-19: 2 nd multidisciplinary conference for young researchers. Sumy: .
MLA
Sustainable development trends and challenges under COVID-19: 2 nd multidisciplinary conference for young researchers. Sumy: . 2019.