“Error Analysis Using Three and Four Stage Eighth Order Embedded Runge-Kutta Method for Sixth Order Ordinary Differential Equation vvi(u)=f(u,v,v’,v’’,v’’’,viv)”. Contemporary Mathematics 4, no. 4 (November 15, 2023): 1076–1088. Accessed December 24, 2025. https://ojs353.mebyme.cn/index.php/CM/article/view/2610.