litaba

litaba

Monghali Wang Zhigang, mothehi, oa tlhoekiso ea mali Chaena, moprofesa oa Univesithi ea Bongaka ea Beijing, le Monghali Gu Hanqing, moprofesa oa Univesithi ea Bongaka ea Tianjing, ba hlahloba Weilisheng.

moprofesa oa Univesithi ea Bongaka ea Beijing
moprofesa oa Univesithi ea Bongaka ea Beijing1

Nako ea poso: Phuptjane-29-2010