AHMED, A. F.; YOUSEF, A. A. . Spectroscopic Analysis of DC-Nitrogen Plasma Produced using Copper Electrodes. Iraqi Journal of Science, [S. l.], v. 62, n. 10, p. 3560–3569, 2021. DOI: 10.24996/ijs.2021.62.10.15. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/4269. Acesso em: 28 sep. 2022.