P.V. Rama Raju, K.S.S. Phani Kumar, Y. Guna Teja, K. Bhargav, and T.V.K. Prasanna. 2016. “GSM Based Device Controlling and Fault Detection”. International Journal of Computer Engineering in Research Trends 3 (4):173-78. https://www.ijcert.org/index.php/ijcert/article/view/284.