Modebei, M. I., R. B. Adeniyi, and S. Jator. “Direct Integrator for Fifth Order Boundary Value Problems in Ordinary Differential Equations”. International Journal of Mathematical Sciences and Optimization: Theory and Applications, Vol. 2019, no. 1, Aug. 2019, pp. 496 -11, http://ijmso.unilag.edu.ng/article/view/469.