Ibrahim Abdullah A, عبدالغفور. Laser Field Distribution Dependence on The Missing Holes of Photonic Crystal Fiber. EDUSJ [Internet]. 2009 Jun. 1 [cited 2025 Aug. 4];22(2):114-26. Available from: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17484