EN中文
The Regional Development in Contiguous Area of Shaanxi-Gansu-Ningxia──A Study on Development Strategy in Typical Resourceful Underdeveloped Area
LI Zhi-gang
SCIENTIA GEOGRAPHICA SINICA . 2000, (2): 139 -143 .  DOI: 10.13249/j.cnki.sgs.2000.02.139