Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1000-5102|volume|5|49-53

ISSN： 1000-5102

Source： 青海师范大学学报：哲学社会科学版, Vol.volume, Iss.5, 2015-01, pp. : 49-53

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