Usha N A, Soni Rinkal, Uppada Sai Priyanka, Vinay Singh G, Dilna U. “Embedded System Model to Monitor Air Quality for Allergic Patients. ”. International Journal of Advanced Science and Technology, Vol. 29, no. 10s, June 2020, pp. 4472-8, https://sersc.org/journals/index.php/IJAST/article/view/21237.