1 Center for Population and Development Studies, Renmin University of China, Beijing 100872; 2 School of Sociology and Population Studies, Renmin University of China, Beijing 100872
Online:2011-05-29
Published:2012-11-18
Contact:
songjian@ruc.edu.cn
About author:1 Asociate Professor, Center for Population and Development Studies, Renmin University of China; 2 graduate student,School of Sociology and Population Studies, Renmin University of China