N. KHAN, M. SHERAZ, R. KHAN, I. KHAN, I. A. SHAH, M. A. MEHMOOD, and S. JAN. 2014. “Performance Analysis of Various Relay Selection Schemes in Rayleigh, Rician and Nakagami Fading Channels With Parallel AF Relays”. Sindh University Research Journal - SURJ (Science Series) 46 (2). https://sujo.usindh.edu.pk/index.php/SURJ/article/view/5355.