Estimation of plasma characteristics from neutral helium spectroscopic data using least square fitting of CR-model simultaneously. International Journal of Engineering and Science Research, [S. l.], v. 12, n. 2, p. 1–12, 2022. Disponível em: https://ijesr.org/index.php/ijesr/article/view/1091. Acesso em: 12 dec. 2025.