S.Sambasivam, and T.Imthiyaj. “A Cooperative Clustering Protocol for Energy Saving of Mobile Devices With Wlan and Bluetooth Interfaces”. International Journal of Intellectual Advancements and Research in Engineering Computations, vol. 5, no. 2, July 2017, pp. 1395-01, https://ijiarec.com/ijiarec/article/view/1504.