Liu shi nian Sichuan nong cun jing ji jie gou zhi bian qian =Zhihong Duan · First published 2009Open the Tome
Zhongguo ren li zi ben ding jia yan jiuXingmin Duan, Zhihong Zhang · First published 2005Open the Tome
Zhong hua ren min gong he guo he tong fa shi wuZhihong Xia, Haoling Liu, Huinong Duan · First published 1999Open the Tome