PDF(1381 KB)
Spatial differences of agri-technique diffusion environment in Northwestern China: A case study of counties in Shaanxi-Gansu-Ningxia region
YU Zhengsong, LI Tongsheng, LI Xianbo, SUN Dongqi
PROGRESS IN GEOGRAPHY ›› 2013, Vol. 32 ›› Issue (4) : 618-626.
PDF(1381 KB)
PDF(1381 KB)
Spatial differences of agri-technique diffusion environment in Northwestern China: A case study of counties in Shaanxi-Gansu-Ningxia region
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