Nuha Mohammed Dabwan, and Yahya Qaid Hasan. “An Approximate Solution of Higher Order Ordinary Differential Equations Using Modified Adomian Decomposition Method”. IJRDO -JOURNAL OF MATHEMATICS 6, no. 7 (July 14, 2020): 01-08. Accessed December 3, 2024. http://467182.nmy9asj5x.asia/index.php/m/article/view/3765.