Tamangdorji, Qudsia. 2025. “Artificial Intelligence Techniques for an Optimized Sparse Spatial Self-Nested Graph Neural Network for Secure MU-MIMO-OFDM System: Channel Estimation, Attack Detection and Mitigation – Trends and Challenges”. International Journal on Advanced Computer Engineering and Communication Technology 14 (2):375-82. https://doi.org/10.65521/ijacect.v14i2.2744.