Zhang, F. (2006). Value Accounting of Sandy Desertification Losses. Postdoctoral Research Report, Chinese Academy of Forestry. (In Chinese), cited in: Cheng Leilei, Chui Xiang Hui and Gong Liyan. Methodologies of China Desertification Costs Estimation, Institute of Desertification Studies, Chinese Academy of Forestry, Beijing.
Zhang, F. (2006). Value Accounting of Sandy Desertification Losses. Postdoctoral Research Report, Chinese Academy of Forestry. (In Chinese), cited in: Cheng Leilei, Chui Xiang Hui and Gong Liyan. Methodologies of China Desertification Costs Estimation, Institute of Desertification Studies, Chinese Academy of Forestry, Beijing. Unpublished manuscript.