Ali Abed Al-Asadi, Hamid, Majida Ali Al-Asadi, and Nada Ali Noori. “Optimization Noise Figure of Fiber Raman Amplifier Based on Bat Algorithm in Optical Communication Network”. International Journal of Engineering and Technology 7, no. 2 (June 1, 2018): 874–879. Accessed April 12, 2025. https://sciencepubco.com/index.php/IJET/article/view/11062.