@article{Yang Qinye_20, author = {Yang Qinye, Li Shuangcheng }, title = {GEOGRAPHICAL COMPREHENSIVE STUDYIN KNOWLEDGE BASED ECONOMY AGE}, publisher = {PROGRESS IN GEOGRAPHY}, year = {1998}, journal = {PROGRESS IN GEOGRAPHY}, volume = {17}, number = {3}, eid = {20}, pages = {20-25}, keywords = {

knowledge based economy;comprehension;geography;economic growth;virtual geographical space

}, doi = https://www.progressingeography.com/EN/10.11820/dlkxjz.1998.03.003 }