MOHAMMED, M.; K. AHMAD, A. Multicore Photonic Crystal Fibres Designing for Multiplexers and Demultiplexers Applications. Rafidain Journal of Science, [S. l.], v. 29, n. 3, p. 61–72, 2025. DOI: 10.33899/rjs.2020.166313. Disponível em: https://ojs.uomosul.edu.iq/index.php/rsci/article/view/12620. Acesso em: 6 aug. 2025.