HAMZAH, A.; AZRIN, N. N. A.; SARIS, N. Flat-gain and Wideband EDFA by using Dual Stage Amplifier Technique. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), [S. l.], v. 10, n. 2-6, p. 25–29, 2018. Disponível em: https://jtec.utem.edu.my/jtec/article/view/4364. Acesso em: 7 may. 2024.