Plasma Properties of a Low-Pressure Hollow Cathode DC Discharge. Iraqi Journal of Science, [S. l.], v. 63, n. 6, p. 2532–2539, 2022. DOI: 10.24996/ijs.2022.63.6.20. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5492.. Acesso em: 6 may. 2024.