Abdulganiy, R. I., O. A. Akinfenwa, and S. A. Okunuga. “Maximal Order Block Trigonometrically Fitted Scheme for the Numerical Treatment of Second Order Initial Value Problem With Oscillating Solutions”. International Journal of Mathematical Sciences and Optimization: Theory and Applications 20170 (April 12, 2018): 168 - 186. Accessed May 2, 2024. http://ijmso.unilag.edu.ng/article/view/7.