Vijay Rayar Udaykumar Naik Path loss model based on exponential water cycle algorithm for wireless sensor network. 2023 36 Int. J. Commun. Syst. 15 https://doi.org/10.1002/dac.5566 db/journals/ijcomsys/ijcomsys36.html#RayarN23 streams/journals/ijcomsys