Vinothkumar R.B, Mohanraj.G, Basker.N, Anusuya. V.E, Anoushka. A.T, Dinesh Kumar. S, Chikkala Venkatesh. “Air Quality Monitoring and Gas Amalgamation Prediction”. International Journal of Advanced Science and Technology, Vol. 29, no. 7, June 2020, pp. 8071-7, http://sersc.org/journals/index.php/IJAST/article/view/24627.