00481naa#a2200169#i#450# EN\\bibl\13050 20241102070446.6 2071-2367 20160829b2016####ek#y0engy0150####ca RUS RU The system of administration in social security and its structure in the post-Soviet period Journal article Moscow RANEPA 2016 5 с. Journal article local Radonova Anna zh-szf.ru