孙颖,刘新平.外国游客对我国旅游服务价格评价的聚类分析[J].重庆工商大学学报(自然科学版),2006,(2):
SUN Ying, LIU Xin-ping. Clustering analysis of China''''s tourism service price evaluation of foreign tourists[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),2006,(2):