Adebayo O. Adeniran, Saheed O. Akindeinde, and Babatunde S. Ogundare. “An Accurate Five-Step Trigonometrically-Fitted Numerical Scheme for Approximating Solutions of Second Order Ordinary Differential Equations With Oscillatory Solutions”. Malaya Journal of Matematik, vol. 6, no. 04, Oct. 2018, pp. 736-43, doi:10.26637/MJM0604/0006.