Ndanusa, A., and F. U. Tafida. “Some Eight - Step Implicit Linear Multistep Methods of Order Ten”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 26, no. 3, May 2016, pp. 180-9, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/5470.