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APA Citation
Sun, X., Qi, L., Li, S., Shan, H., & Ma, S. (2021). design and optimization on training management system of professional classroom. Journal of physics, 1976(1), . http://access.bl.uk/ark:/81055/vdc_100136724853.0x00002b
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Sun, X., Qi, L., Li, S., Shan, H., & Ma, S. (2021). design and optimization on training management system of professional classroom. Journal of physics, 1976(1), . http://access.bl.uk/ark:/81055/vdc_100136724853.0x00002b