صقور عفيف, ديوب نظير, سعيد جمال, and حسن علي. “Modeling and Simulation of Fiber Gain Medium”. Tishreen University Journal -Basic Sciences Series 43, no. 3 (July 7, 2021). Accessed November 24, 2024. https://journal.tishreen.edu.sy/index.php/bassnc/article/view/10643.