هيثم الرضوان, هديل عيسى, أصالة خضور. Design of a Ring National Science Foundation Network (NSFNET) based on Single-Pass and Double-Pass Wavelength Selective Switching (WSS). Tuj-eng [Internet]. 2023Jun.13 [cited 2025Jan.22];45(2):65-83. Available from: https://journal.tishreen.edu.sy/index.php/engscnc/article/view/15153