M. IBRAHIM, R.; رغید; A. AL-DABBAGH, E.; ارادة. Influence of Optical Feedback on Frequency Response of GaAs / AlGaAs Quantum Cascade Laser. Journal of Education and Science (JES), [S. l.], v. 23, n. 2, p. 56–63, 2010. DOI: 10.33899/edusj.2010.58236. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17056. Acesso em: 4 aug. 2025.