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"Visualizing research trends and research theme evolution in E-learning ..."
Yang Bai, Hongxiu Li, Yong Liu (2021)
- Yang Bai
, Hongxiu Li
, Yong Liu
:
Visualizing research trends and research theme evolution in E-learning field: 1999-2018. Scientometrics 126(2): 1389-1414 (2021)

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