EN中文
Influences of Five Crises on US Inbound and Outbound Tourism: Analysis Based on the Tourism Background Trend Line in High Time Resolution
SUN Gennian,SHU Jingjing,MA Lijun,WANG Jiejie
PROGRESS IN GEOGRAPHY . 2010, (8): 987 -996 .  DOI: 10.11820/dlkxjz.2010.08.012