Investigation of the Electron Coefficients of (Ar, He, N2, O2) Gases in the Ionosphere. Baghdad Sci.J [Internet]. 2022 Dec. 5 [cited 2024 Nov. 23];19(6(Suppl.):1558. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/7296