“Stability results by Krasnoselskii-Burton theorem in nonlinear neutral integro-differential equation with variable delay: Stability in neutral integro-differential equations”, NS, vol. 24, no. 4, Nov. 2017, Accessed: Mar. 01, 2026. [Online]. Available: https://www.nonlinearstudies.com/index.php/nonlinear/article/view/1432