Guo ji jing ji xin zhi xu yu guo ji jing ji xin fa zhanAn Chen, Huaqun Zeng, Guoan Li · First published 2009Open the Tome
Guo ji jing ji fa dao lun ("Jiu wu" gui hua gao deng xue xiao fa xue jiao cai)Huaqun Zeng · First published 1997Open the Tome