Ntonya YJ, Musyoki S, Oduol V. Cognitive Non-Orthogonal Multiple Access with Cooperative Relaying and Antenna Optimization using SADEA for Efficient Spectrum Sharing. Eng. Technol. Appl. Sci. Res. [Internet]. 2025 Jun. 4 [cited 2026 Apr. 27];15(3):22327-33. Available from: https://www.etasr.com/index.php/ETASR/article/view/10265