Amjad Jumani, Rozina Chohan, Mirza Aqeel Ur Rehman, Muhammad Taimoor Shahid and Maria Soomro 2025. RECONFIGURABLE INTELLIGENT SURFACES (RIS) IN 6G NETWORKS: ENHANCING SPECTRAL AND ENERGY EFFICIENCY. Spectrum of Engineering Sciences. 3, 7 (Jul. 2025), 533–558.