Comparative Analysis of ZigBee Based Wireless Sensor Networks (WSNs)Shabbir, Noman; Hassan, Syed Rizwan; Iqbal, Muhammad Naveed; Kütt, LauriProceeding of the 4th International Conference on Recent Trends in Computer Science and Electronics 20192019 / p. 115http://www.rtcse.org/RTCSE_2019.pdf