Jawale, Deepali, Rashmi Deshpande, and Vishal Patil. “Analysis of Air Quality in Machine Learning”. National Journal of Computer and Applied Science 2, no. 3 (November 12, 2019): 22-25. Accessed September 23, 2020. http://www.njcas.co.in/index.php/njcas/article/view/24.