Jahan, Z., F. Sarwar, I. Younes, R. Sadaf, and A. Ahmad. “Assessment of Smog Pattern and Its Effects on Visibility in Lahore Using Remote Sensing and GIS: Assessment of Smog Pattern and Its Effects on Visibility in Lahore Using Remote Sensing and GIS”. International Journal of Economic and Environmental Geology, vol. 10, no. 2, July 2019, pp. 55-59, doi:10.46660/ijeeg.v10i2.332.