Praveen Kumar Gupta, B Sai Koushik, V Deeban Chakravarthy. “IoT Based Smart Industry Monitoring System by Using Arduino With GSM”. International Journal of Advanced Science and Technology, Vol. 29, no. 05, May 2020, pp. 9082-8, http://sersc.org/journals/index.php/IJAST/article/view/18978.