基于扩展线性支出系统模型的京津冀城镇居民体育消费结构比较分析
唐炜
基于扩展线性支出系统模型的京津冀城镇居民体育消费结构比较分析
Comparative Analysis on Sports Consumption Structure of Urban Residents in Beijing-Tianjin-Hebei Region Based on ELES Model
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