The Calculation and Analysis of the Total Electron Content Over Different Latitudes and Seasons Using the Numerical Trapezoidal and Simpson Methods. Baghdad Sci.J [Internet]. 2019 Dec. 18 [cited 2024 May 6];16(4(Suppl.):1043. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/4605