R. Asmawi and J. J. A. . Sari, “Review on Building Energy Management Systems by Retrofitting Existing Buildings with Green Technology”, rpmme, vol. 4, no. 2, pp. 393–401, Jan. 2024, Accessed: May 10, 2024. [Online]. Available: https://penerbit.uthm.edu.my/periodicals/index.php/rpmme/article/view/9318