Article Versions Notes

Yang X, Wang Y, Chen D, Tan X, Tian X, Shi L. Does the “Blue Sky Defense War Policy” Paint the Sky Blue?—A Case Study of Beijing–Tianjin–Hebei Region, China. International Journal of Environmental Research and Public Health. 2021; 18(23):12397. https://doi.org/10.3390/ijerph182312397

Yang, Xuan, Yue Wang, Di Chen, Xue Tan, Xue Tian, and Lei Shi. 2021. "Does the “Blue Sky Defense War Policy” Paint the Sky Blue?—A Case Study of Beijing–Tianjin–Hebei Region, China" International Journal of Environmental Research and Public Health 18, no. 23: 12397. https://doi.org/10.3390/ijerph182312397

Yang, X., Wang, Y., Chen, D., Tan, X., Tian, X., & Shi, L. (2021). Does the “Blue Sky Defense War Policy” Paint the Sky Blue?—A Case Study of Beijing–Tianjin–Hebei Region, China. International Journal of Environmental Research and Public Health, 18(23), 12397. https://doi.org/10.3390/ijerph182312397