Dr.P.Maheswara Venkatesh, T.V.Vanitha, G.Dinesh, C.Rajinikanth,. 2019. “An Optimized Dijkstra’s SPF Algorithm Used MultiHop Clustering for Scalable IoT Systems”. International Journal of Advanced Science and Technology 28 (14), 298 - 306. http://sersc.org/journals/index.php/IJAST/article/view/1494.