“Performance Evaluation of Post and Symmetrical DCF Technique With EDFA in 32x10, 32x20 and 32x40 Gbps WDM Systems”. International Journal of Current Engineering and Technology 7, no. 4 (August 31, 2017): 1416–1420. Accessed March 13, 2026. https://ijcet.evegenis.org/index.php/ijcet/article/view/2390.