Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1672-0504|32|5|59-64

ISSN： 1672-0504

Source： 地理与地理信息科学, Vol.32, Iss.5, 2016-01, pp. : 59-64

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

Previous Menu Next