Badmus A.M, Subair A.O. Implicit Block and Runge- Kutta type Methods for Solution of Second-Order Ordinary Differential Equations. AMCI [Internet]. 2024 Feb. 14 [cited 2024 Dec. 22];13(No.1):109-27. Available from: https://ejournal.unimap.edu.my/index.php/amci/article/view/229