00755naa#a2200193#i#450# EN\INFRA-M\bibl\24008 /en/manage/index 20241129172223.5 2500-0500 20181120b2018####ek#y0engy0150####ca RUS RU Separate aspects of demographic features of relationship to valuable categories population in Nizhny Novgorod region Journal article Moscow INFRA-M Academic Publishing LLC. 2018 5 с. Journal article local Теория, методология и методы общественных наук в целом. Социография. 30 RUS Samsonov Andrey Ivanovich test.editorum.ru /en/manage/index