R. Sandeep Naidu, B. Likitha Chowdary, J. Ravi Teja, and M. S.R. Prasad, “Advanced water level meter for alerting about floods”, IJET, vol. 7, no. 2.8, pp. 295–297, Mar. 2018, doi: 10.14419/ijet.v7i2.8.10427.