PDF(483 KB)
The development of agriculture and changes of land use in Horqin in the20th century
WULAN Tu-ya
JOURNAL OF NATURAL RESOURCES ›› 2002, Vol. 17 ›› Issue (2) : 157-161.
PDF(483 KB)
PDF(483 KB)
The development of agriculture and changes of land use in Horqin in the20th century
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