3Zhou,D.J.E. Estimating the economic impacts of tourism[J].Annals of Tourism Research,1997,(24):76-89.
4Frechtling Douglas,C.Horvsth Endre. Estimating the multiplier effects of tourism expenditures on a local economy through a regional input-out model[J].Journal of Travel Reseavch,1999,(37):324.
5Edith Szivas,Michael Riley. Tourism employment during economic transition[J].Annals of Tourism Research,1999,(26):747-771.