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.
Nako ea poso: Phuptjane-29-2010




