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杜智涛, 谢新洲
The Establishment of Public Opinion Forecasting and Early-warning Model with the Methods of Grey Forecasting and Pattern Recognition
Du Zhitao, Xie Xinzhou
图书情报工作 . 2013, (15): 27 -33 .  DOI: 10.7536/j.issn.0252-3116.2013.15.004