"Design and comparison of symmetric compensation method for DWDM system and WDM by using optisystem". Al-Mukhtar Journal of Engineering Research 8, no. 1 (أبريل 17, 2026): 01–10. تاريخ الوصول أغسطس 27, 2026. https://mdp.omu.edu.ly/journals/index.php/mjer/article/view/843.