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Dyfyniad Arddull Chicago孙杰光. 现代服务业发展概论: Introduction to the Development of Modern Service Industry. 中国金融出版社, 2017.
Dyfyniad MLA孙杰光. 现代服务业发展概论: Introduction to the Development of Modern Service Industry. 中国金融出版社, 2017.
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