M. Ayub Khan Yousuf Zai, M. Rashid Kamal Ansari, Afaq Ahmed Siddiqui, and Faisal Ahmed Khan Afridi. “Efficacy of Non-Linear Approach in the Study of Ozone Layer Depletion”. Journal of Basic & Applied Sciences 9 (October 21, 2021): 587–591. Accessed February 23, 2025. http://sceintific-array.org/index.php/jbas/article/view/2235.