Deepa V,Janani A S, Madhumitha M, B. Priyadharsini , Dr.L.Nalini Joseph, S.V.Priya ,. “Gas Level Detection And Automatic Booking Using Iot”. Design Engineering (September 23, 2021): 13683-13687. Accessed May 19, 2024. http://www.thedesignengineering.com/index.php/DE/article/view/4629.