IOT Based Real Time River Water Quality Monitoring and Control SystemDinesh P.M, Shree Sapnaa K, Kiranisha A.J, Sabeenian R.S, Paramasivam M.E and Manjunathan AE3S Web Conf., 399 (2023) 04013DOI: https://doi.org/10.1051/e3sconf/202339904013