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APA Citation
Liu, H., Fang, C., Zhang, X., Wang, Z., Bao, C., & Li, F. (2017). the effect of natural and anthropogenic factors on haze pollution in Chinese cities: A spatial econometrics approach. Journal of cleaner production, 165, 323–333. http://access.bl.uk/ark:/81055/vdc_100049823656.0x000045