PDF(314 KB)
Analysis On the Relation between Land Usage Changes and Social Economic Development in the Important Source Areas of Protected Drinking Water:A Case Study of Yuancheng District in the Basin of the East River
GONG Jianwen, ZHANG Zhengdong, ZHOU Yongzhang
Tropical Geography ›› 2009, Vol. 29 ›› Issue (4) : 345-349.
PDF(314 KB)
PDF(314 KB)
Analysis On the Relation between Land Usage Changes and Social Economic Development in the Important Source Areas of Protected Drinking Water:A Case Study of Yuancheng District in the Basin of the East River
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