贫困地区对农信息传播有效性研究——对贵州国家级贫困县的调查

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1002-1167|36|11|1-9

ISSN: 1002-1167

Source: 图书馆论坛, Vol.36, Iss.11, 2016-01, pp. : 1-9

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Abstract