EN中文
The Pattern Evolution and It's Reasons About the Agricultural Modernization in Shaanxi-Gansu-Ningxia Region
Zheng-song YU, Tong-sheng LI, Dong-ping LONG, Xian-bo LI, Dong-qi SUN
SCIENTIA GEOGRAPHICA SINICA . 2014, (4): 411 -419 .  DOI: 10.13249/j.cnki.sgs.2014.04.411