老年人旅游动机与制约因素
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1002-3240|volume|3|91-95
ISSN: 1002-3240
Source: 社会科学家, Vol.volume, Iss.3, 2016-01, pp. : 91-95
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Abstract