GSWKS. Performance Evaluation of Hybrid (Raman+EDFA) Optical Amplifiers in Dense Wavelength Division Multiplexed Optical Transmission System. ijfrcsce [Internet]. 2017Aug.31 [cited 2024Apr.29];3(8):132-8. Available from: http://www.ijfrcsce.org/index.php/ijfrcsce/article/view/193