Le, Q. D., N. T. Nguyen, and T. T. H. Nguyen. “Outage Probability of Cognitive Radio-NOMA Assisted Unmanned Aerial Vehicles Network”. CTU Journal of Innovation and Sustainable Development , vol. 16, no. 1, Mar. 2024, pp. 132-8, doi:10.22144/ctujoisd.2024.265.