Jian Yu

No biography available.

Works (3)

Cover of Knowledge Science, Engineering and Management

Knowledge Science, Engineering and Management

Cover of Wei hai gong gong an quan zui

Wei hai gong gong an quan zui

Cover of Qin fan gong min ren shen quan li, min zhu quan li zui, qin fan cai chan zui

Qin fan gong min ren shen quan li, min zhu quan li zui, qin fan cai chan zui