Youhai Sun

Zhonghua Renmin Gongheguo shui wu ran fang zhi fa jie du

Chao yue huan jing "feng bao"

Xun huan jing ji fa lü bao zhang ji zhi yan jiu

循环经济立法框架研究

Zhongguo xun huan jing ji fa lun =

Zhongguo ke zai sheng neng yuan he xin neng yuan chan ye hua gao duan lun tan

Huan jing yu zi yuan bao hu fa lü shou ce

Qi ye po chan fa ji chu zhi shi (Jing ji fa zhi shi cong shu)