WANG Yue. The Warlords and Flooding of Opium during Bei-Yang Government[J]. Journal of University of Science and Technology Beijing ( Social Sciences Edition), 2002, 18(2): 21-26.
WANG Yue. The Warlords and Flooding of Opium during Bei-Yang Government[J]. Journal of University of Science and Technology Beijing ( Social Sciences Edition), 2002, 18(2): 21-26.