3-Point Block Methods for Direct Integration of General Second-Order Ordinary Differential Equations. - Julius Osato Ehigie; Solomon A. Okunuga; Adetokunbo B. Sofoluwe (Adv. Numer. Anal., 2011)

Step Size Bounds for a Class of Multiderivative Explicit Runge-Kutta Methods. - Moses Adebowale Akanbi; Solomon A. Okunuga; Adetokunbo B. Sofoluwe (MS, 2012)

High-order continuous third derivative formulas with block extensions for y″=f(x, y, y′). - Samuel N. Jator; O. A. Akinfenwa; Solomon A. Okunuga; Adetokunbo B. Sofoluwe (Int. J. Comput. Math., 2013)