00505naa#a2200169#i#450# EN\\bibl\37285 20241125203352.1 2500-3372 20200423b2020####ek#y0engy0150####ca RU Transformation of Social Insurance as an Instrument of Social Security Journal article Kemerovo Kemerovo State University 2020 7 с. Journal article local Miller Olga S. Morozova Elena Alekseevna naukaru.ru