ISSN：1001-7143　CN：11-2684/G3 中文
Classification and comparison of document type in journals and databases
LIN Gege,HOU Haiyan,HU Zhigang
Chinese Journal of Scientific and Technical Periodicals . 2019, (4): 418 -425 .  DOI: 10.11946/cjstp.201809250850

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