TY - JOUR A1 - Agadjanian, V. A1 - Zotova, N. T1 - Sampling and surveying hard-to-reach populations for demographic research: A study of female labor migrants in Moscow, Russia Y1 - 2012 DO - 10.4054/DemRes.2012.26.5 JF - Demographic Research VL - 26 IS - 5 ER -