Abdul-Hamed Khader, Ammar. “Enhanced Performance of FH Detection System Using Adaptive Threshold Level”. Al-Rafidain Engineering Journal (AREJ) 18, no. 5 (October 28, 2010): 107–122. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/arej/article/view/30681.