For citations:
Valentey S.D., Bakhtizin A.R., Borisova S.V., Kol’chugina A.V., Lykova L.N. Development Trends of Subjects of the Russian Federation During the Pandemic Period. Federalism. 2021;26(4):127-170. (In Russ.) https://doi.org/10.21686/2073-1051-2021-4-127-170