Convergence Analysis for the Homotopy Perturbation Method for a Linear System of Mixed Volterra-Fredholm Integral Equations. Baghdad Sci.J [Internet]. 2020 Sep. 8 [cited 2024 May 3];17(3(Suppl.):1010. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/3714