美国国家公园生态保护与旅游开发的发展历程及启示

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1674-3784|8|6|1-6

ISSN: 1674-3784

Source: 旅游论坛, Vol.8, Iss.6, 2015-01, pp. : 1-6

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

Abstract