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APA Citation
Zhao, J., Zhao, W., Zhan, X., Chen, X., Wei, D., Ma, N., Sun, M., Liu, J., & Xu, Y. (2020). analysis of the Characteristics of Nitrogen and Phosphorus Emissions from Agricultural Non-Point Sources Pollution and Pollution Risk in Tianjin City, China. IOP conference series, 440(4), . http://access.bl.uk/ark:/81055/vdc_100108528540.0x000024