Yousuf Zai, M. K., J. Qaumar, and M. K. Ansari. “SPECIFYING THE CONSPICUOUS FEATURES OF THE OZONE LAYER DEPLETION FOR PAKISTAN’S ATMOSPHERIC REGION”. The Nucleus, vol. 41, no. 1-4, July 2020, pp. 41-48, http://thenucleuspak.org.pk/index.php/Nucleus/article/view/1073.