FAYED , A. .; ALFRGANY, S. .; MAKHZOUM, H. . The Existence and Uniqueness of Periodic Solutions for Nonlinear Neutral first order differential equation with Functional Delay. مجلة كلية التربية العلمية, [S. l.], n. 8, 2022. DOI: 10.37376/fesj.vi8.800. Disponível em: https://journals.uob.edu.ly/FESJ/article/view/800. Acesso em: 14 2024.