Al Dallal, Shawki, Walid Azzam, and Ammar Sakaji. “Exploring the Origin of Dark Matter in the Early Universe”. European Journal of Applied Sciences 14, no. 03 (June 29, 2026): 562–575. Accessed July 24, 2026. https://scholarpublishing.org/journals/index.php/EJAS/article/view/11902.