[期刊论文] |
来源:Acta Scientiarum : Human and Social Sciences. 2015 ;37(1):41-52.
出版社:Eduem - Editora da Universidade Estadual de Maringá
[期刊论文] |
来源:Economics Research International. 2012 ;2012.doi:10.1155/2012/364715
出版社:Hindawi Publishing Corporation
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