Goh, Chi Yen, and Chee Yen Leow. “Non-Orthogonal Multiple Access for Hybrid RIS-UAV-Assisted Communication”. ELEKTRIKA- Journal of Electrical Engineering 24, no. 3 (December 22, 2025): 351–355. Accessed February 9, 2026. https://elektrika.utm.my/index.php/ELEKTRIKA_Journal/article/view/741.