PDF(544 KB)
A PRELIMINARY STUDY OF AGRICULTURAL TYPES IN CHINA
Guo Huancheng, Yao Jianqu, Ren Guozhu
Acta Geographica Sinica ›› 1992, Vol. 47 ›› Issue (6) : 507-515.
PDF(544 KB)
PDF(544 KB)
A PRELIMINARY STUDY OF AGRICULTURAL TYPES IN CHINA
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