Gansu tu shu guan shi ye fa zhan zhan lüe yan jiuXiangdong Guo, Juan Dong · First published 2011Open the Tome
Gansu tu shu guan shi ye ke xue fa zhan yan jiu =Xiangdong Guo, Jun Dong · First published 2009Open the Tome
Jing ji fa ji chu li lunOuyi Guo, Guihua Wang, Yuejin Ma, Xiangdong Zhang · First published 1993Open the Tome