HADJ ALI, Bakir. Performance Comparison Between Direct and External Modulation Using RZ and NRZ Coding. ELEKTRIKA- Journal of Electrical Engineering, [S. l.], v. 19, n. 1, p. 1–8, 2020. DOI: 10.11113/elektrika.v19n1.144. Disponível em: https://elektrika.utm.my/index.php/ELEKTRIKA_Journal/article/view/144. Acesso em: 26 apr. 2024.