Aye, P. O., D. Jayeola, and D. O. Oyewola. “Construction of Lyapunov Functions for the Stability of Fifth Order Nonlinear Ordinary Differential Equations”. Earthline Journal of Mathematical Sciences, Vol. 8, no. 2, Feb. 2022, pp. 313-24, doi:10.34198/ejms.8222.313324.