LI, Z. ., P. W. . CHAN, L. . BILING, and Z. . LIJIE. “Why the Number of Haze Days in Shenzhen, China Has Reduced since 2005 : From a Perspective of Industrial Structure”. MAUSAM, vol. 69, no. 1, Jan. 2018, pp. 45-54, doi:10.54302/mausam.v69i1.230.