Ong, Sylvia, and Hushairi Zen. “Selection Combiner in Time-Varying Amplify Forward Cooperative Communication”. International Journal of Integrated Engineering 13, no. 2 (December 2, 2020): 146–158. Accessed June 18, 2024. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/6685.