P.T.Kalaivaani, and A.Rajeswari. “An Energy Efficient Analysis Using Spatial Correlation Method for Wirelesss Sensor Networks With Hierarchical Routing Protocols ”. Journal of Network and Innovative Computing 1 (October 1, 2013): 10. Accessed April 30, 2026. https://cspub-jnic.org/index.php/jnic/article/view/40.