00518naa#a2200169#i#450# EN\\bibl\10606 20240717193555.3 1999-9836 20151217b2015####ek#y0engy0150####ca RUS RU Modern Mechanisms of Reduction of Informal Labour Market: Experience of the Republic of Tatarstan Journal article Moscow All-Russian center of living standards 2015 6 с. Journal article local Zaripova E. naukaru.ru