"Retraction: Liu, L, Peng, N. Evaluation of user concentration in ..."

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DOI: 10.1002/DAC.5576

access: closed

type: Journal Article

metadata version: 2024-11-22

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Retraction: Liu, L, Peng, N. Evaluation of user concentration in ubiquitous and cognitive artificial intelligence-assisted English online guiding system integrating face and eye movement detection. Int J Commun Syst. 2021; 34:e4580. https://doi.org/10.1002/dac.4580. Int. J. Commun. Syst. 36(14) (2023)

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