Adetunji, A. A. ., A. A. . Timothy, and O. B. . Sunday. “On Stability, Boundedness and Integrability of Solutions of Certain Second Order Integro-Differential Equations With Delay”. Sarajevo Journal of Mathematics, vol. 17, no. 1, Mar. 2022, pp. 61-77, https://sjm.anubih.ba/index.php/sjm/article/view/17.