Md. Asraful Sekh* , Mafikul Islam , Saikat Bose , Mijanur Rahim. 2017. “Performance of a 32 Channels WDM System Using Gain Flattened EDFA”. International Journal of Emerging Trends in Science and Technology 4 (08), 5509-17. https://igmpublication.org/ijetst.in/index.php/ijetst/article/view/1297.