M. Ibrahim, R., رغید, S. Saadi, N., نوزاد, F. Ramadhan, S. and سعد 2012. Noise Figure Characteristics of Erbium Doped Fiber Amplifiers at single and multiple amplified stage. Journal of Education and Science (JES). 25, 3 (Sep. 2012), 44–53. DOI:https://doi.org/10.33899/edusj.2012.59193.