基于环状城市模型的“嘀嘀”软件盈利模式探讨
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1008-7222|30|2|36-40
ISSN: 1008-7222
Source: 北京市经济管理干部学院学报, Vol.30, Iss.2, 2015-01, pp. : 36-40
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Abstract