基于引力模型的重庆区县客货运关联网络研究
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1005-8141|31|11|1314-1317
ISSN: 1005-8141
Source: 资源开发与市场, Vol.31, Iss.11, 2015-01, pp. : 1314-1317
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Abstract