Saad, M. M., O. M. El, and Q. Fadlallah. “An Analytical Study on the Implementation of Energy-Efficient Design Strategies in Office Buildings in Khartoum, Sudan”. European Journal of Science, Innovation and Technology, Vol. 5, no. 5, Oct. 2025, pp. 43-62, https://ejsit-journal.com/index.php/ejsit/article/view/715.