MUMTAZ ALDABAGH, sama; سما; SAEED, M.; مناف. The influence of relative refractive index and core diameter on properties of single-mode optical fiber. Journal of Education and Science (JES), [S. l.], v. 29, n. 4, p. 124–139, 2020. DOI: 10.33899/edusj.2020.126908.1063. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/18395. Acesso em: 4 aug. 2025.