Zhang, Shijiao
heng zhong shuju yinxing, 1985
Buku Teks
Zhong Ying Minzu Daxue Chubanshe, 1985
Buku Teks
Cheng Chung Book, 1985
Buku Teks
proposed by Centre for Research of Human Resources and the Environment
University of Indonesia, 1990
Buku Teks
Savory, Allan
Island Press, 1988
Buku Teks