1.
Masood Mohamad H, Ibrahim Abdullah A. The Influence Of Hole Radius On The Properties Of Photonic Crystal Fiber. JES [Internet]. 2008 Dec. 1 [cited 2025 Sep. 10];21(4):76-87. Available from: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/42395