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ISSN 1002-0314　CN 11-1448/G3
AAS High Concern Subject Research Topic Identification Based on z-index
Pai Yanxin, Li Changling, Liu Yunmei
Information and Documentation Services . 2019, (6): 30 -37 .  DOI: 10.12154/j.qbzlgz.2019.06.005

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