Hussain, K.A. and Hasan, W.J. 2023. Improved Runge-Kutta Method for Oscillatory Problem Solution Using Trigonometric Fitting Approach. Ibn AL-Haitham Journal For Pure and Applied Sciences. 36, 1 (Jan. 2023), 345–354. DOI:https://doi.org/10.30526/36.1.2963.