Ali, Jawad, Haseeb Zafar, Inamullah Johar, and Nasar Iqbal. “Cloud Based Multi-Level Security, Event Based Surveillance and Real-Time Access in Smart Homes Using Zigbee: Real-Time Access in Smart Homes Using Zigbee”. Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences 57, no. 4 (August 2, 2021): 13–22. Accessed December 23, 2024. https://ppaspk.org/index.php/PPAS-A/article/view/449.