[1] Sofield T. Border tourism and border communities: An overview[D]. Tourism Geographies, 8, 102-121(2006).
[2] Bringas N. Border Tourism: Characterization and Development Possibilities;[D]. COLEF-CESTUR: Tijuana, Mexico(2004).
[3] Timothy D J, Butler R W. Cross-boder shopping: A North American perspective[D]. Annals of Tourism Research, 22, 16-34(1995).
[7] Timothy D J. Political boundaries and tourism: Borders as tourist attractions[D]. Tourism Management, 16, 525-532(1995).
[8] Shin Y S. Tourists' perceptions and attitudes towards political boundaries and tourism[D]. International Journal of Tourism Sciences, 4, 17-37(2004).
[9] Shin Y S. Perception differences between domestic and international visitors in the tourist destination: The case of the borderline, the DMZ area[D]. Journal of Travel & Tourism Marketing, 21, 77-88(2007).
[10] Bradbury S L. The impact of security on travelers across the Canada-US border[D]. Journal of Transport Geography, 26, 139-146(2013).
[11] Vodeb K. Cross-border regions as potential tourist destinations along the Slovene-Croatian frontier[D]. Tourism and Hospitality Management, 16, 219-228(2010).
[12] Chirozva C. Community agency and entrepreneurship in ecotourism planning and development in the Great Limpopo Transfrontier Conservation Area[D]. Journal of Ecotourism, 14, 185-203(2015).
[13] Felsenstein D, Freeman D. Estimating the impacts of crossborder competition: The case of gambling in Israel and Egypt[D]. Tourism Management, 22, 511-521(2001).
[14] Spenceley A. Tourism in the Great Limpopo Transfrontier Park[D]. Development Southern Africa, 23, 649-667(2006).
[15] Spenceley A. Requirements for sustainable nature-based tourism in transfrontier conservation areas: A southern African Delphi consultation[D]. Tourism Geographies, 10, 285-311(2008).
[24] Lovie P. Coefficient of variation[D]. Encyclopedia of Statistics in Behavioral Science, 317-318(2005).
[25] Moran P A. The interpretation of statistical maps[D]. Journal of the Royal Statistical Society Series B: Methodological, 10, 243-251(1948).
[26] Anselin L. The Moran Scatterplot as an ESDA Tool to Assess Local Instability in Spatial Association.[D]. Morgantown, WV: Regional Research Institute, West Virginia University(1993).