Mohammad ALMOUSA และ Ahmad ISMAIL. (2015) A Comparison between Solving of Two-Dimensional Nonlinear Fredholm Integral Equations of the Second Kind by the Optimal Homotopy Asymptotic Method and Homotopy Perturbation Method. <i>Walailak Journal of Science and Technology</i>, <i>12</i>(11), 1043.Mohammad ALMOUSA และ Ahmad ISMAIL. "A Comparison between Solving of Two-Dimensional Nonlinear Fredholm Integral Equations of the Second Kind by the Optimal Homotopy Asymptotic Method and Homotopy Perturbation Method". Walailak Journal of Science and Technology 12 (2015):1043.Mohammad ALMOUSA และ Ahmad ISMAIL. A Comparison between Solving of Two-Dimensional Nonlinear Fredholm Integral Equations of the Second Kind by the Optimal Homotopy Asymptotic Method and Homotopy Perturbation Method. Walailak University:ม.ป.ท. 2015.