Periodicals with Social and Economic Benefits
Core Journals of China
China’s Core Scientific Journals
RCCSE Periodical
Chinese Applied Core Journals (CACJ)
Periodicals in WJCI Report
1 Institute of Population Research, Peking University, Beijing 100871; 2 Institute of Population Research, Peking University, Beijing 100871
Published:1997-03-29
Online:1997-03-29
About Author:1 Associate professot, Institute of Population Research, Peking University; 2 Professor, Institute of Population Research, Peking University