MASOOD MOHAMAD, H.; IBRAHIM ABDULLAH, A. The Influence Of Hole Radius On The Properties Of Photonic Crystal Fiber. Journal of Education and Science, [S. l.], v. 21, n. 4, p. 76–87, 2008. DOI: 10.33899/edusj.2008.56097. Disponível em: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/42395. Acesso em: 10 sep. 2025.