00549naa#a2200181#i#450# EN\\bibl\5245 20260414215912.2 1999-9836 20150317b2015####ek#y0engy0150####ca RUS RU Women´s Labour Migration as the Major Factor of Instability and Labour Precarization Journal article Moscow All-Russian center of living standards 2015 7 с. Journal article local Bogatyreva Marina Nafikova Gulnara zh-szf.ru