生产性服务业集聚水平测度的实证研究

宋永辉;郭亚蕾

Empirical research on measurement of agglomeration level in producer services: a case in Liaoning Province

SONG Yong-hui;GUO Ya-lei

. 2015, (1): 49 -52 . DOI: 10.7688/j.issn.1674-0823.2015.01.08