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机构:
Guangzhou Coll Technol & Business, Dept Econ & Trade, Guangzhou 510850, Peoples R China
City Univ Macau, Fac Business, Ave Padre Tomas Pereira, Taipa 999078, Macau, Peoples R China Southwest Univ, Sch Econ & Management, Chongqing 400715, Peoples R China