M. Sabaawi, Abdulbasit, and Abdullah A. Mohamed. “Real-Time Wireless Network of Mobile Sensor Nodes Based on ZigBee Protocol: Design and Implementation”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 23, no. 1, Aug. 2016, pp. 268-82, https://asrjetsjournal.org/American_Scientific_Journal/article/view/1997.