An Embedded 5(4) Pair of Optimized Runge-Kutta Method for the Numerical Solution of Periodic Initial Value Problems. Iraqi Journal of Science [Internet]. 2022 Sep. 30 [cited 2024 May 4];63(9):3889-901. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/4793