Samson O. EZE, et al. “Secure and Scalable Internet of Things (IOT) Framework for Multi-Source Energy System Monitoring: A Case Study of a Large Office Complex in Abuja”. UNIABUJA Journal of Engineering and Technology (UJET), vol. 3, no. 1, Oct. 2025, pp. 12-21, https://ujet.uniabuja.edu.ng/index.php/ujet/article/view/112.