[1]
S. Kozlovskyi, D. Bilenko, M. Kuzheliev, N. Ivanyuta, V. Butenko, and R. Lavrov, “Comparison and Assessment of Factors Affecting the COVID-19 Vaccination in European Countries”, PROBL EKOROZW, vol. 16, no. 2, pp. 26–33, Jul. 2021.