Cangping Wu

Zhongguo ren kou di xian zhuang he dui ce (Liao jie Zhongguo cong shu)

Zhongguo jing ji kai fa qu wai lai ren kou yan jiu

Gai ge kai fang zhong chu xian di zui xin ren kou wen ti

Ren kou lao ling hua guo cheng zhong di Zhongguo lao nian ren (Zhongguo ren kou yan jiu cong shu)