Ekhwan Toriman, Mohd, Musa Garba Abdullahi, Mohd Khairul Amri Kamarudin, Roslan Umar, Aliyu Muhammad Nalado, and Md Firoz Khan. 2018. “Trends Analysis of Ozone Hole Annual Records Using SBUV Data Version 8.6 (1979 to 2017 Datasets)”. International Journal of Engineering & Technology 7 (3.14): 30-34. https://doi.org/10.14419/ijet.v7i3.14.16858.