从免费惯性到付费变现——数字环境下知识传播模式的变化研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1003-6687|volume|12|50-53

ISSN: 1003-6687

Source: 编辑之友, Vol.volume, Iss.12, 2017-01, pp. : 50-53

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Abstract