Ujagbe, A. G. ., and E. A. . Christopher. “On the Component Analysis and Transformation of An Explicit Fifth – Stage Fourth – Order Runge – Kutta Methods”. International Journal of Mathematical Research, vol. 4, no. 2, Jan. 2016, pp. 76-100, doi:10.18488/journal.24/2015.4.2/24.2.76.100.