Fakunle, I.Arawomo, P. O.2023-03-212023-03-2120180972-9828ui_art_fakunle_hyers-ulam_2018International Journal of Pure and Applied Mathematical Sciences 11(1), pp. 55-65http://ir.library.ui.edu.ng/handle/123456789/8105We investigate the Hyers-Ulam stability of certain classes of nonlinear second order differential equations using a nonlinear generalisation of Gronwall-Bellman integral inequality known as Bihari integral inequality.enHyers-Ulam stabilityBihari integral inequalityNonlinear second order differential equationsHyers-ulam stability of certain class of nonlinear second order differential equationsArticle