00581naa#a2200181#i#450# EN\\bibl\82321 20241126122007.2 2221-3260 20230301b2023####ek#y0engy0150####ca RU Cluster analysis of the digital divide and quality of life in Russian regions Journal article Yaroslavl Yaroslavl State Technical University 2023 10 с. Journal article local Semenova Polina Aleksandrovna Shkiotov Sergei Vladimirovich Markin Maksim I. chemintech.ru