Gurpreet Kaur Kohli, and Prof. Kiranpreet Kaur. “A Survey - Various Challenges for Secure Wireless Data Transmission in Massive MIMO”. International Journal of Advance Engineering and Research Development (IJAERD) 5, no. 3 (March 25, 2018): 673–677. Accessed July 6, 2025. https://ijaerd.org/index.php/IJAERD/article/view/2754.