ObafaiyeO., Imoni S. O., and Lanlege D. I. “NUMERICAL APPROXIMATION OF OSCILLATORY INITIAL VALUE PROBLEMS USING THE HOMOTOPY ANALYSIS ALGORITHM”. FUDMA JOURNAL OF SCIENCES, Vol. 7, no. 2, Apr. 2023, pp. 227 -34, doi:10.33003/fjs-2023-0702-1743.