Yujun Zhang

Liaoning Qinglonghe Ziran Baohuqu zong he ke xue kao cha bao gao

2013

Quan xin Xinjiang zong heng yu

Zhongguo zheng quan shi chang fa zhan de zhi du fen xi (1978-1997 nian)

Zhongguo zheng quan shi chang fa zhan yu chuang xin

Qi ye zhi du yu fa zhi de xian jie

Qian tan nong ye sheng chan ze ren zhi

Zhuan gui shi qi zi ben shi chang qian yan wen ti si kao

Guo jia jing zheng zhong de zi ben shi chang zhan lue

The influence of airline ownership rules on aviation policies and carrier strategies

Huo cheng yan fen lei ji qi yi ming zhi ti xi