Alalfi RMF, Alsalem A. Enhancing The Performance of WDM-PDM 16-QAM. JESIT [Internet]. 2023 Dec. 30 [cited 2025 Dec. 20];7(4):1-10. Available from: https://www.ajsrp.ojsexpert.com/index.php/jesit/article/view/7203