1.
mumtaz aldabagh sama, Saeed M. The influence of relative refractive index and core diameter on properties of single-mode optical fiber. JES [Internet]. 2020 Dec. 1 [cited 2025 Sep. 10];29(4):124-39. Available from: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/42538